causing or worthy of ridicule or derision; absurd; preposterous; laughable: a ridiculous plan.
Slang. absurdly or unbelievably good, bad, crazy, etc.: The concert was ridiculous, their best performance ever!

Origin of ridiculous

1540–50; < Late Latin rīdiculōsus laughable, droll, and Latin rīdiculus (adj. derivative of rīdiculum ridicule); see -ous
Related formsri·dic·u·lous·ly, adverbri·dic·u·lous·ness, ri·dic·u·los·i·ty [ri-dik-yuh-los-i-tee] /rɪˌdɪk yəˈlɒs ɪ ti/, nounhy·per·ri·dic·u·lous, adjectivehy·per·ri·dic·u·lous·ly, adverbhy·per·ri·dic·u·lous·ness, nounqua·si-ri·dic·u·lous, adjectivequa·si-ri·dic·u·lous·ly, adverbun·ri·dic·u·lous, adjectiveun·ri·dic·u·lous·ly, adverbun·ri·dic·u·lous·ness, noun

Synonyms for ridiculous

Synonym study

1. See absurd.

Antonyms for ridiculous

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for ridiculously

Contemporary Examples of ridiculously

Historical Examples of ridiculously

  • He was ridiculously relieved to see that the man who stood by their side was grey-headed.

    The Avenger

    E. Phillips Oppenheim

  • In their Opinion, they are finest when dressed most ridiculously or terribly.

  • She had laughed when she put them on, they were so ridiculously large for her tiny feet.

    Audrey Craven

    May Sinclair

  • I myself said to you that you were ridiculously exaggerating what you called your obligation to me.

    The Market-Place

    Harold Frederic

  • Benevolence radiated from him ridiculously, mildly, impressively.

    The Shadow-Line

    Joseph Conrad

British Dictionary definitions for ridiculously



worthy of or exciting ridicule; absurd, preposterous, laughable, or contemptible
Derived Formsridiculously, adverbridiculousness, noun

Word Origin for ridiculous

C16: from Latin rīdiculōsus, from rīdēre to laugh
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

Word Origin and History for ridiculously



1540s, ridyculouse, from Latin ridiculosus "laughable," from ridiculus "that which excites laughter," from ridere "to laugh." Shakespeare and other 17c. writers sometimes spelled it rediculous. Slang extensions to "outrageous" (1839); "excellent" (1959, jazz slang). Related: Ridiculously; ridiculousness.

Online Etymology Dictionary, © 2010 Douglas Harper

Idioms and Phrases with ridiculously


see from the ridiculous to the sublime.

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.