having or showing no regard; heedless; unmindful (often followed by of).


without concern as to advice, warning, hardship, etc.; anyway: I must make the decision regardless.


    regardless of, in spite of; without regard for: They'll do it regardless of the cost.

Origin of regardless

First recorded in 1585–95; regard + -less
Related formsre·gard·less·ly, adverbre·gard·less·ness, noun
Can be confusedirregardless regardless (see usage note at irregardless)

Synonyms for regardless

Antonyms for regardless Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for regardlessly

Historical Examples of regardlessly

  • Then she tore the hat from her head and cast it regardlessly upon the counter.

    The Fortune Hunter

    Louis Joseph Vance

  • She only smiles, pricks him with the spur, and regardlessly cuts him with her cuarto.

  • He had ridden over her objection as regardlessly as if she had never made any.

  • You know how regardlessly outspoken Elsie is, and how thoroughly saturated with her music.

    Cicely and Other Stories

    Annie Fellows Johnston

  • Everything—family, business, possessions—must be regardlessly sacrificed to the one aim of war.

    Pedagogics as a System

    Karl Rosenkranz

British Dictionary definitions for regardlessly



(usually foll by of) taking no regard or heed; heedless


in spite of everything; disregarding drawbacksto carry on regardless
Derived Formsregardlessly, adverbregardlessness, noun
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 regardlessly



"indifferent," 1590s, from regard (n.) + -less. Elliptical for "regardless of consequences, expenses, etc.," from 1872.

Online Etymology Dictionary, © 2010 Douglas Harper