---
title: unfasten — school dictionary · trees and pragmatics
description: «unfasten» in the school dictionary: To unfasten something means to open it or undo it, such as a button, buckle, belt, seat belt, clasp or lock. Every meaning for a pupil with its dependency tree and pragmatics.
---

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# unfasten

<!-- .vintro -->
**Who acts:** strap, you, plane, She, He, me · **What happens:** unfasten, mean, open, undo, come, not unfasten · **To what, where:** something, it, seat belt, coat, warm classroom, gate · **Speech:** someone speaks here

<!-- .vabout -->
«unfasten» in the school dictionary: its 2 meanings for a pupil and its 7 examples, every sentence parsed by Mova itself — its syntax tree, a dependency tree in the style of Universal Dependencies, and its pragmatics clause by clause. The word in the dictionary, with its sense in the lessons: [unfasten in the school dictionary](https://md.mova.elamur.ai/free/en/dictionaries/school/w/unfasten.md).

## Meaning 1 {#m1}

<!-- .ven lang=en -->
To unfasten something means to open it or undo it, such as a button, buckle, belt, seat belt, clasp or lock.

<!-- fold The tree, 21 words -->
```conllu
# sent_id = dict:school:unfasten:m1:1
# text = To unfasten something means to open it or undo it, such as a button, buckle, belt, seat belt, clasp or lock.
1	To	to	PART	TO	_	2	mark	_	_
2	unfasten	unfasten	VERB	VB	VerbForm=Inf	4	csubj	_	_
3	something	something	PRON	NN	Number=Sing|PronType=Ind	2	obj	_	_
4	means	mean	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
5	to	to	PART	TO	_	6	mark	_	_
6	open	open	VERB	VB	VerbForm=Inf	4	xcomp	_	_
7	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	6	obj	_	_
8	or	or	CCONJ	CC	_	9	cc	_	_
9	undo	undo	VERB	VB	VerbForm=Inf	6	conj	_	_
10	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	9	obj	_	SpaceAfter=No
11	,	,	PUNCT	,	_	15	punct	_	_
12	such	such	ADJ	JJ	Degree=Pos|ExtPos=ADP	15	case	_	_
13	as	as	ADP	IN	_	12	fixed	_	_
14	a	a	DET	DT	Definite=Ind|PronType=Art	15	det	_	_
15	button	button	NOUN	NN	Number=Sing	9	obj	_	SpaceAfter=No
16	,	,	PUNCT	,	_	17	punct	_	_
17	buckle	buckle	NOUN	NN	Number=Sing	15	conj	_	SpaceAfter=No
18	,	,	PUNCT	,	_	19	punct	_	_
19	belt	belt	NOUN	NN	Number=Sing	15	conj	_	SpaceAfter=No
20	,	,	PUNCT	,	_	22	punct	_	_
21	seat	seat	NOUN	NN	Number=Sing	22	compound	_	_
22	belt	belt	NOUN	NN	Number=Sing	15	parataxis	_	SpaceAfter=No
23	,	,	PUNCT	,	_	24	punct	_	_
24	clasp	clasp	NOUN	NN	Number=Sing	22	conj	_	_
25	or	or	CCONJ	CC	_	26	cc	_	_
26	lock	lock	NOUN	NN	Number=Sing	24	conj	_	SpaceAfter=No
27	.	.	PUNCT	.	_	4	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **unfasten** | to-infinitive |  | something |  |  |  |  | vn disassemble-23.3 «NP V NP»: agent=Agent something=Patient |
| 2 | **mean** | present |  |  |  |  |  |  | vn intend-61.2-1 «NP V S\_INF»: agent=Agent clause=Topic |
| 3 | **open** *not said to happen* | to-infinitive |  | it |  |  |  |  | vn spatial\_configuration-47.6-1 «PP.location V NP»: agent=Location it=Theme |
| 4 | **undo** | infinitive |  | it |  |  |  |  | tree rules |

<!-- .note -->
One row per clause the reader finds. «not said here»: a role filled from the clause above. «roles by»: a VerbNet class and frame when one fits the verb, else the reader's rules on the tree.

## Meaning 2 {#m2}

<!-- .ven lang=en -->
Unfasten also means to come undone: «The strap unfastened.».

```conllu
# sent_id = dict:school:unfasten:m2:1
# text = Unfasten also means to come undone: «The strap unfastened.».
1	Unfasten	unfasten	VERB	VB	VerbForm=Inf	3	csubj	_	_
2	also	also	ADV	RB	_	1	advmod	_	_
3	means	mean	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	to	to	PART	TO	_	5	mark	_	_
5	come	come	VERB	VB	VerbForm=Inf	3	xcomp	_	_
6	undone	undone	ADV	RB	_	5	advmod	_	SpaceAfter=No
7	:	:	PUNCT	:	_	11	punct	_	_
8	«	«	PUNCT	``	_	11	punct	_	SpaceAfter=No
9	The	the	DET	DT	Definite=Def|PronType=Art	10	det	_	_
10	strap	strap	NOUN	NN	Number=Sing	11	nsubj	_	_
11	unfastened	unfasten	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	3	parataxis	_	SpaceAfter=No
12	.	.	PUNCT	.	_	11	punct	_	SpaceAfter=No
13	»	»	PUNCT	''	_	11	punct	_	SpaceAfter=No
14	.	.	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **unfasten** | infinitive |  |  |  |  |  |  | vn disassemble-23.3 «NP V ADV-Middle»: agent=Patient |
| 2 | **mean** | present |  |  |  |  |  |  | vn intend-61.2-1 «NP V S\_INF»: agent=Agent clause=Topic |
| 3 | **come** *not said to happen* | to-infinitive |  |  |  |  |  | undone *property* | vn escape-51.1-1 «NP V»: agent=Theme |
| 4 | **unfasten** *in a quote* | participle | the strap |  |  |  |  |  | vn disassemble-23.3 «NP V ADV-Middle»: agent=Patient |

## Example 1 {#x1}

<!-- .ven lang=en -->
Please do not unfasten your seat belt until the plane has stopped.

```conllu
# sent_id = dict:school:unfasten:x1:1
# text = Please do not unfasten your seat belt until the plane has stopped.
1	Please	please	INTJ	UH	_	4	discourse	_	_
2	do	do	AUX	VB	Mood=Imp|VerbForm=Fin	4	aux	_	_
3	not	not	PART	RB	Polarity=Neg	4	advmod	_	_
4	unfasten	unfasten	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
5	your	your	PRON	PRP$	Case=Gen|Person=2|Poss=Yes|PronType=Prs	7	nmod:poss	_	_
6	seat	seat	NOUN	NN	Number=Sing	7	compound	_	_
7	belt	belt	NOUN	NN	Number=Sing	4	obj	_	_
8	until	until	SCONJ	IN	_	12	mark	_	_
9	the	the	DET	DT	Definite=Def|PronType=Art	10	det	_	_
10	plane	plane	NOUN	NN	Number=Sing	12	nsubj	_	_
11	has	have	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	12	aux	_	_
12	stopped	stop	VERB	VBN	Tense=Past|VerbForm=Part	4	advcl	_	SpaceAfter=No
13	.	.	PUNCT	.	_	4	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **not** **unfasten** | imperative · do-support | you *not said here* | your seat belt |  |  |  |  | vn disassemble-23.3 «NP V NP»: agent=Agent belt=Patient |
| 2 | **stop** | present · perfect | the plane |  |  |  |  |  | vn stop-55.4-1-1 «NP.eventuality V»: agent=Eventuality |

## Example 2 {#x2}

<!-- .ven lang=en -->
She unfastened her coat in the warm classroom.

```conllu
# sent_id = dict:school:unfasten:x2:1
# text = She unfastened her coat in the warm classroom.
1	She	she	PRON	PRP	Case=Nom|Gender=Fem|Number=Sing|Person=3|PronType=Prs	2	nsubj	_	_
2	unfastened	unfasten	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	0	root	_	_
3	her	her	PRON	PRP$	Case=Gen|Gender=Fem|Number=Sing|Person=3|Poss=Yes|PronType=Prs	4	nmod:poss	_	_
4	coat	coat	NOUN	NN	Number=Sing	2	obj	_	_
5	in	in	ADP	IN	_	8	case	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	8	det	_	_
7	warm	warm	ADJ	JJ	Degree=Pos	8	amod	_	_
8	classroom	classroom	NOUN	NN	Number=Sing	2	obl	_	SpaceAfter=No
9	.	.	PUNCT	.	_	2	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **unfasten** | past | She | her coat |  | the warm classroom |  |  | vn disassemble-23.3 «NP V NP»: agent=Agent coat=Patient |

## Example 3 {#x3}

<!-- .ven lang=en -->
He unfastened the gate and let the dog in.

```conllu
# sent_id = dict:school:unfasten:x3:1
# text = He unfastened the gate and let the dog in.
1	He	he	PRON	PRP	Case=Nom|Gender=Masc|Number=Sing|Person=3|PronType=Prs	2	nsubj	_	_
2	unfastened	unfasten	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	0	root	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
4	gate	gate	NOUN	NN	Number=Sing	2	obj	_	_
5	and	and	CCONJ	CC	_	6	cc	_	_
6	let	let	VERB	VB	VerbForm=Inf	2	conj	_	_
7	the	the	DET	DT	Definite=Def|PronType=Art	8	det	_	_
8	dog	dog	NOUN	NN	Number=Sing	6	obj	_	_
9	in	in	ADP	RP	_	6	compound:prt	_	SpaceAfter=No
10	.	.	PUNCT	.	_	2	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **unfasten** | past | He | the gate |  |  |  |  | vn disassemble-23.3 «NP V NP»: agent=Agent gate=Patient |
| 2 | **let in** | infinitive | He *not said here* | the dog |  |  |  |  | vn give-13.1-1 «NP V NP»: agent=Agent dog=Theme |

## Example 4 {#x4}

<!-- .ven lang=en -->
Can you help me unfasten this necklace?

```conllu
# sent_id = dict:school:unfasten:x4:1
# text = Can you help me unfasten this necklace?
1	Can	can	AUX	MD	VerbForm=Fin	3	aux	_	_
2	you	you	PRON	PRP	Case=Nom|Person=2|PronType=Prs	3	nsubj	_	_
3	help	help	VERB	VB	VerbForm=Inf	0	root	_	_
4	me	I	PRON	PRP	Case=Acc|Number=Sing|Person=1|PronType=Prs	3	obj	_	_
5	unfasten	unfasten	VERB	VB	VerbForm=Inf	3	xcomp	_	_
6	this	this	DET	DT	Number=Sing|PronType=Dem	7	det	_	_
7	necklace	necklace	NOUN	NN	Number=Sing	5	obj	_	SpaceAfter=No
8	?	?	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **help** | can | you | me |  |  |  |  | vn help-72.1-1-1 «NP V NP S\_INF»: agent=Agent i=Beneficiary clause=Theme |
| 2 | **unfasten** | infinitive | me *not said here* | this necklace |  |  |  |  | vn disassemble-23.3 «NP V NP»: agent=Agent necklace=Patient |

## Example 5 {#x5}

<!-- .ven lang=en -->
The baby learnt to unfasten the straps of his pushchair.

```conllu
# sent_id = dict:school:unfasten:x5:1
# text = The baby learnt to unfasten the straps of his pushchair.
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	baby	baby	NOUN	NN	Number=Sing	3	nsubj	_	_
3	learnt	learn	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	0	root	_	_
4	to	to	PART	TO	_	5	mark	_	_
5	unfasten	unfasten	VERB	VB	VerbForm=Inf	3	xcomp	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
7	straps	strap	NOUN	NNS	Number=Plur	5	obj	_	_
8	of	of	ADP	IN	_	10	case	_	_
9	his	his	PRON	PRP$	Case=Gen|Gender=Masc|Number=Sing|Person=3|Poss=Yes|PronType=Prs	10	nmod:poss	_	_
10	pushchair	pushchair	NOUN	NN	Number=Sing	7	nmod	_	SpaceAfter=No
11	.	.	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **learn** | past | the baby |  |  |  |  |  | vn learn-14-2-1 «NP V that S»: agent=Agent clause=Topic |
| 2 | **unfasten** | to-infinitive | the baby *not said here* | the straps of baby's pushchair |  |  |  |  | vn disassemble-23.3 «NP V NP»: agent=Agent strap=Patient |

## Example 6 {#x6}

<!-- .ven lang=en -->
Unfasten the buckles of your helmet before you take it off.

```conllu
# sent_id = dict:school:unfasten:x6:1
# text = Unfasten the buckles of your helmet before you take it off.
1	Unfasten	unfasten	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
2	the	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
3	buckles	buckle	NOUN	NNS	Number=Plur	1	obj	_	_
4	of	of	ADP	IN	_	6	case	_	_
5	your	your	PRON	PRP$	Case=Gen|Person=2|Poss=Yes|PronType=Prs	6	nmod:poss	_	_
6	helmet	helmet	NOUN	NN	Number=Sing	3	nmod	_	_
7	before	before	SCONJ	IN	_	9	mark	_	_
8	you	you	PRON	PRP	Case=Nom|Person=2|PronType=Prs	9	nsubj	_	_
9	take	take	VERB	VBP	Mood=Ind|Number=Sing|Person=2|Tense=Pres|VerbForm=Fin	1	advcl	_	_
10	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	9	obj	_	_
11	off	off	ADP	RP	_	9	compound:prt	_	SpaceAfter=No
12	.	.	PUNCT	.	_	1	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **unfasten** | imperative | you *not said here* | the buckles of your helmet |  |  |  |  | vn disassemble-23.3 «NP V NP»: agent=Agent buckle=Patient |
| 2 | **take off** | present | you | helmet |  |  |  |  | vn remove-10.1 «NP V NP»: agent=Agent it=Theme |

## Example 7 {#x7}

<!-- .ven lang=en -->
Come and unfasten it for me.’

```conllu
# sent_id = dict:school:unfasten:x7:1
# text = Come and unfasten it for me.’
1	Come	come	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
2	and	and	CCONJ	CC	_	3	cc	_	_
3	unfasten	unfasten	VERB	VB	Mood=Imp|VerbForm=Fin	1	conj	_	_
4	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	3	obj	_	_
5	for	for	ADP	IN	_	6	case	_	_
6	me	I	PRON	PRP	Case=Acc|Number=Sing|Person=1|PronType=Prs	3	obl	_	SpaceAfter=No
7	.	.	PUNCT	.	_	1	punct	_	SpaceAfter=No
8	’	'	PUNCT	''	_	1	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **come** | imperative | you *not said here* |  |  |  |  |  | vn escape-51.1-1 «NP V»: agent=Theme |
| 2 | **unfasten** | infinitive | you *not said here* | it |  |  |  | for me | vn disassemble-23.3 «NP V NP»: agent=Agent it=Patient |

<!-- div src -->

**Text:** the school dictionary of Mova's schools (`world/data/dictionary-schools/`), written for Mova. **Trees:** Mova's own parse — the `en` model on the CPU, when the site is built — not checked by a teacher; they may be wrong. **Frames:** Mova's frames reader (`prag`), each meaning and example read on its own. Elamur Cosmic License.

<!-- /div -->

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