Synonyms of heedless

heedless

adjective

ˈhēd-ləs 

as in careless

not paying or showing close attention especially for the purpose of avoiding trouble

heedless drivers who back out of parking spaces without looking

Synonyms & Similar Words

• careless
• unsafe
• reckless
• regardless
• mindless
• unguarded
• incautious
• unwary
• impetuous
• negligent
• rash
• unmindful
• thoughtless
• inattentive
• forgetful
• inconsiderate
• neglectful
• imprudent
• injudicious
• blithe
• indiscreet
• inadvertent
• slipshod
• bold
• remiss
• lax
• unintentional
• unplanned
• absentminded

Antonyms & Near Antonyms

• cautious
• heedful
• wary
• safe
• circumspect
• alert
• watchful
• guarded
• vigilant
• attentive
• observant
• chary
• provident
• gingerly
• foresighted
• shrewd
• calculating
• scheming
• thoughtful
• considerate
• forethoughtful
• ultracautious
• ultracareful

Example Sentences

Recent Examples of heedless

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

The rules of polite society would bar this particular group from fraternizing together in such a heedless manner, but the Bridgerton wrap party brought the crew together for what appears to have been a very good time indeed. — Sophie Dodd, PEOPLE, 29 Jan. 2026

At the time, investors were understandably looking ahead to an all-inclusive fourth-quarter ramp, which probably would have tripped into excessive optimism and heedless speculation. — Michael Santoli, CNBC, 5 Jan. 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