• synonyms


See more synonyms for regardless on Thesaurus.com
  1. having or showing no regard; heedless; unmindful (often followed by of).
Show More
  1. without concern as to advice, warning, hardship, etc.; anyway: I must make the decision regardless.
Show More
  1. regardless of, in spite of; without regard for: They'll do it regardless of the cost.
Show More

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)


See more synonyms for regardless on Thesaurus.com
1. inattentive, negligent, neglectful, indifferent, unconcerned.


1. attentive, mindful.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for regardlessly

Historical Examples

  • 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


  1. (usually foll by of) taking no regard or heed; heedless
Show More
  1. in spite of everything; disregarding drawbacksto carry on regardless
Show More
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.

Show More
Online Etymology Dictionary, © 2010 Douglas Harper