or cat·a·clys·mal



of, relating to, or resulting from a cataclysm.
of the nature of, or having the effect of, a cataclysm: cataclysmic changes.

Origin of cataclysmic

First recorded in 1850–55; cataclysm + -ic
Related formscat·a·clys·mi·cal·ly, adverbnon·cat·a·clys·mal, adjectivenon·cat·a·clys·mic, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Related Words for cataclysmic

catastrophic, calamitous, disastrous, tragic, ruinous, fatal, cataclysmal

Examples from the Web for cataclysmic

Contemporary Examples of cataclysmic

Historical Examples of cataclysmic

  • Cataclysmic changes were taking place in the soul of Martin Wade.


    Mr. and Mrs. Haldeman-Julius

  • And of course, at this critical moment, there arrived the cataclysmic letter from Stair.


    S. R. Crockett

  • Then Ranny delivered his soul, and the escape, the outburst was tremendous, cataclysmic.

    The Combined Maze

    May Sinclair

  • At once it seemed as if some cataclysmic upheaval were in progress.

    Kings in Exile

    Sir Charles George Douglas Roberts

  • They told of an elemental tragedy, swift and cataclysmic in its action.

    The Gilded Man

    Clifford Smyth

Word Origin and History for cataclysmic

1837, from cataclysm + -ic. Related: Cataclysmical (1857); cataclysmically.

Online Etymology Dictionary, © 2010 Douglas Harper