fluctuate

Academic Word List, sublist 8.

About 1.12 uses per million words.

Meaning

1. verb To vary irregularly; to swing.
2. verb To undulate.
3. verb To be irresolute; to waver.

   I fluctuated between wishing he was back home and wishing I'd never met him.

4. verb To cause to vary irregularly.
5. verb To rise and fall as a wave; to be tossed up and down the waves.
6. adjective Tossed up and down the waves.
7. adjective Wavering, fickle.

Similar words

waver vacillate oscillate sway flicker swing vary change suffer float

Often followed by

in with between from widely and over more as

Word family

fluctuated fluctuates fluctuating fluctuation fluctuations