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# fluctuate

«fluctuate» in Mova's school dictionary: **To keep changing, going up and down, especially in…** — its meaning for a pupil, its sense in the lessons and examples.

### part of speech

verb (fluctuate, fluctuates, fluctuated, fluctuating) — (formal)

### meaning for a pupil

(formal) To keep changing, going up and down, especially in amount, level or price. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/F/fluctuate/#m1)

### sense in the lessons

In maths and science, graphs show temperatures or prices that fluctuate. In exams: «The temperature fluctuated throughout the day» means it went up and down. In everyday life, moods and weather can fluctuate.

### examples

- The temperature fluctuated all day. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/F/fluctuate/#x1)
- Prices fluctuate from week to week. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/F/fluctuate/#x2)
- Her mood fluctuates when she is tired. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/F/fluctuate/#x3)
- The river level fluctuates with the tide. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/F/fluctuate/#x4)
- The graph shows how sales fluctuated. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/F/fluctuate/#x5)
- The number of visitors fluctuates in the holidays. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/F/fluctuate/#x6)

### note

Formal word; everyday: «go up and down». Regular verb. Noun: fluctuation. On a line graph, fluctuating values make a zigzag; the range = highest − lowest.

### Trees and pragmatics

[Every meaning and example of «fluctuate» parsed by Mova](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/F/fluctuate/), each sentence with its dependency tree and frames.