heedless

[heed-lis] / ˈhid lɪs /

ADJECTIVE

careless

Synonyms

STRONGEST

inattentive reckless

WEAK

asleep at the switch daydreaming disregardful fast and loose feckless foolhardy goofing off impetuous imprudent inadvertent incautious inconsiderate irreflective neglectful negligent oblivious out to lunch precipitate rash slapdash sloppy thoughtless uncaring unmindful unobservant unthinking unwary

Antonyms

WEAK

attentive careful caring cautious concerned heedful observant thoughtful

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Instead, Mahan’s candidacy was more like Pets.com, a famous e-commerce flop that came to embody the heedless froth of the dot.com bubble.

From Los Angeles Times • Jun. 3, 2026

She said the new working plans were being implemented in a "heavy-handed way, heedless of the consequences".

From BBC • Apr. 5, 2024

But, he added, mindfulness is poised to replace heedless indulgence.

From New York Times • Jan. 18, 2024

Even among the irrepressible talents of his co-stars, Perry stood out, for a rubbery, heedless way with physical comedy and a split-second timing that most stopwatches would envy.

From Seattle Times • Nov. 3, 2023

He kicked the tree with all his strength, heedless of his own feet.

From "The Fellowship of the Ring" by J.R.R. Tolkien

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