heed·​less | \ˈhēd-ləs \

Definition of heedless 

: not taking heed : inconsiderate, thoughtless heedless follies of unbridled youth— John DeBruyn

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Other Words from heedless

heedlessly adverb
heedlessness noun

Examples of heedless in a Sentence

They remain heedless of their own safety. the heedless use of natural resources

Recent Examples on the Web

Its critics try to cast it as a bastion of heedless, irresponsible liberalism, but in fact, California’s transition to clean energy has been careful and deliberate. David Roberts, Vox, "California is this close to its boldest energy target yet: 100% clean electricity," 31 Aug. 2018 Yet on this unforgiving highway, largely unlit and shrouded in fog, here drove a heedless Yordano Ventura between approximately 3 and 5 a.m. on Jan. 22. Vahe Gregorian And Maria Torres, kansascity, "Yordano Ventura’s final year filled with family turmoil, emotional distress," 6 July 2018 From the predatory practices of heedless fishermen to the irresponsible waste disposal regimes that flood whale sharks’ bellies with garbage, there are many forces at play conspiring against the well-being of the species. Ryan P. Smith, Smithsonian, "What the Longest Known Whale Shark Migration Ever Tells Us About Conservation," 8 May 2018 The fire hose of information and opinion gushed with irrelevant detail and heedless grandstanding. Cyrus Farivar, Ars Technica, "Bandwidth is the techno-thriller novel that we need right now," 6 May 2018 By now, most Americans have absorbed Vogt’s idea that heedless consumption comes at a steep price. BostonGlobe.com, "Biographies highlight some key figures in environmentalism," 27 Apr. 2018 Power doesn’t have to corrupt, the film suggests; many come to it precorrupted, as well as ignorant, fatuous and heedless. Joe Morgenstern, WSJ, "‘The Death of Stalin’ Review: Laughing in the Graveyard of History," 8 Mar. 2018 Cena’s work in Blockers, however, suggests a level of comic timing and heedless abandon that can be found in the work of his fellow ex-wrestling star, Dwayne Johnson. Josh Spiegel, The Hollywood Reporter, "John Cena Is Getting Closer to His Breakout Moment," 8 Apr. 2018 An iPad and a Bluetooth headset underscore the show’s connection to the heedless spending of our own wealthy, and the plastic tarp of Timon’s later poverty evokes our own homeless. Lily Janiak, San Francisco Chronicle, "Cutting Ball’s ‘Timon’ makes Shakespeare feel suspenseful," 6 Apr. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'heedless.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of heedless

1565, in the meaning defined above

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Statistics for heedless

Last Updated

13 Nov 2018

Look-up Popularity

Time Traveler for heedless

The first known use of heedless was in 1565

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More Definitions for heedless



English Language Learners Definition of heedless

: not paying careful attention


heed·​less | \ˈhēd-ləs \

Kids Definition of heedless

: not careful or attentive : careless She ran out, heedless of the danger.

Other Words from heedless

heedlessly adverb

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Comments on heedless

What made you want to look up heedless? Please tell us where you read or heard it (including the quote, if possible).


playful or foolish behavior

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