from The Century Dictionary.

  • Wavering; moving as a wave; rising and falling; moving to and fro; changeable.

from the GNU version of the Collaborative International Dictionary of English.

  • adjective moving irregularly in an oscillatory manner, especially up and down.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • verb Present participle of fluctuate.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adjective having unpredictable ups and downs


Sorry, no etymologies found.


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  • My adjectival use: 'It may be hard to control a fluctuating temperature.'

    August 22, 2011