heedless

adjective

heed·​less ˈhēd-ləs 

: not taking heed : inconsiderate, thoughtless

… heedless follies of unbridled youth …

—John DeBruyn

heedlessly adverb

heedlessness noun

Synonyms of heedless

• careless
• unsafe
• reckless

Examples of heedless in a Sentence

They remain heedless of their own safety.

the heedless use of natural resources

Recent Examples on the Web

Humanity is heedless of all the clutter in those bands. — Jeffrey Kluger, Time, 16 Apr. 2026

Like the wonderful Clover Club, raspberries have a heedless love for rose water, and that means Hendrick’s Gin. — Jason O'Bryan, Robb Report, 13 June 2026

The time that went into making the film shows up, most notably, during a break in the middle of the story that (avoiding spoilers) takes Ray’s heedless behavior to a logical extreme. — Richard Brody, New Yorker, 12 June 2026

While Sammie is naive, impatient, and yearning for adulthood, Delta Slim is wise, heedless yeet unflappable, and the surprising steady voice when the juke joint descends into chaos. — Kathleen Newman-Bremang, Refinery29, 30 Dec. 2025

Word History

First Known Use

1565, in the meaning defined above

Rhymes for heedless

• needless
• seedless

Kids Definition

heedless

adjective

heed·​less ˈhēd-ləs 

: not taking heed : thoughtless

heedlessly adverb

heedlessness noun