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90s Slang You Should Know


[in-kon-stuh nt] /ɪnˈkɒn stənt/
not constant; changeable; fickle; variable:
an inconstant friend.
Origin of inconstant
late Middle English
1375-1425; late Middle English inconstaunt < Latin inconstant- (stem of inconstāns) changeable. See in-3, constant
Related forms
inconstancy, noun
inconstantly, adverb
moody, capricious, vacillating, wavering; undependable, unstable, unsettled, uncertain; mutable, mercurial, volatile. See fickle.
steady. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for inconstancy
Historical Examples
  • Hast thou lived to nigh forty years, to be hurt like a boy by a woman's inconstancy?

    Sir Christopher Maud Wilder Goodwin
  • In most instances he was “constant to one thing—his inconstancy.”

    Earl Hubert's Daughter Emily Sarah Holt
  • For where envying and contention is: there is inconstancy and every evil work.

  • It was not long before they had to pay a heavy penalty for their treachery and inconstancy.

  • Then, with the inconstancy of youth, they suddenly deserted him for more diverting game.

    The Vision Spendid William MacLeod Raine
  • My pretty Carlotta became jealous; she taxed me with inconstancy.

    Frank Mildmay Captain Frederick Marryat
  • But are your poets not ashamed to complain of their inconstancy?

    Imaginary Conversations and Poems Walter Savage Landor
  • There, I said, was a record of my flirtation and inconstancy.

    Backlog Studies Charles Dudley Warner
  • Finally, I avowed my knowledge of all the disappointment her heart had experienced by Frank's inconstancy.'

  • Could a vague report of my inconstancy drive you to infidelity!

    Alonzo and Melissa Daniel Jackson, Jr.
British Dictionary definitions for inconstancy


not constant; variable
Derived Forms
inconstancy, noun
inconstantly, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for inconstancy

1520s, from Latin inconstantia (see inconstance).



c.1400, "fickle, not steadfast," from Middle French inconstant (late 14c.), from Latin inconstantem (nominative inconstans) "changeable, fickle, capricious," from in- "not, opposite of, without" (see in- (1)) + constantem (see constant). Related: Inconstantly.

Online Etymology Dictionary, © 2010 Douglas Harper
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inconstancy in Medicine

inconstant in·con·stant (ĭn-kŏn'stənt)

  1. Changing or varying, especially often and without discernible pattern or reason.

  2. Relating to a structure that normally may or may not be present.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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