- careless; thoughtless; unmindful: Heedless of the danger, he returned to the burning building to save his dog.
Origin of heedless
SynonymsSee more synonyms for heedless on Thesaurus.com
oblivious, indifferent; negligent, uncaring, unconcerned.
cautious, mindful, heedful.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for heedless
Peter had many great skills, but even in his prime he was a heedless driver.How to Be a Racing Pirate King
May 21, 2013
That, and what appears to be the heedless greed of a big-time recording company, Interscope Records.Chicago Rapper Lil JoJo Went to His Grave for Taunting a Rival Gang Member
October 7, 2012
For Romney and his operatives to find themselves in this situation is inexplicable, except on grounds of heedless greed.Mitt Romney Lost the Summer: Tax Returns, Overseas Gaffes, & More
August 8, 2012
Lives have always been ruined by heedless acts, but perhaps not so loudly and thoroughly.The Perils of the Teen
August 17, 2011
Princeton students are not heedless of obstacles to combining career and family in the real world.Princeton's Woman Problem
March 21, 2011
The two men bent to the task, heedless of Mary's frantic protest.Within the Law
She was heedless of the familiar scene, the figures grouped about her.The Bacillus of Beauty
They staggered and trembled in every shaking limb, heedless now of the Earthmen.Slaves of Mercury
Imogen was not heedless and indiscreet; she would not have sacrificed the dignity of innocence.
One moment of heedless inconsideration may plunge thee in years of calamity.
- taking little or no notice; careless or thoughtless
Word Origin and History for heedless
Online Etymology Dictionary, © 2010 Douglas Harper