Word of the Day & Vocabulary logo

fluctuate

/ˈflʌkt͡ʃu.eɪt/verb

To rise and fall or change repeatedly in an irregular way.

Example sentences

  • “Gas prices fluctuate from week to week.”
  • “Temperatures in the desert fluctuate wildly between day and night.”

Standard for prices, temperatures, moods, and weight. It implies movement both up and down; if the change runs one way, use 'rise' or 'decline' instead.

Synonyms for fluctuate

  • vary
  • swing
  • rise and fall
  • seesaw
  • change

Antonyms

  • stabilize
  • hold steady

On the Academic Word List. Find it in: Academic vocabulary.

Related words