Definition of "fluctuate" in Englisch

verb

1. (intransitive) To vary irregularly; to swing.

2. (intransitive) To undulate.

3. (intransitive) To be irresolute; to waver.

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

4. (transitive) To cause to vary irregularly.

5. (rare, figuratively, also literally) To rise and fall as a wave; to be tossed up and down the waves.

adjective

1. Tossed up and down the waves.

2. (by extension) Wavering, fickle.