Definitions

thoughtless

[thawt-lis] / ˈθɔt lɪs /

ADJECTIVE

inconsiderate

Synonyms

STRONGEST

antisocial boorish impolite indiscreet insensitive reckless rude

WEAK

apathetic asocial blind brash deaf discourteous egocentric hasty heedless hot-headed inattentive incautious indelicate indifferent listless madcap neglectful negligent primitive rash self-centered selfish sharp short tactless uncaring unceremonious unconcerned undiplomatic ungracious unheeding unkind unmindful unrefined

Antonyms

STRONGEST

mannerly polite refined sophisticated

WEAK

attentive considerate heeding kind mindful observant thinking thoughtful unselfish

ADJECTIVE

absent-minded, unobservant

Synonyms

STRONGEST

careless foolish ill-advised ill-considered irrational mindless reckless senseless stupid

WEAK

bovine confused doltish dull empty-headed flighty heedless imprudent inadvertent inane inattentive incomprehensible inept injudicious irreflective lamebrained loony neglectful negligent obtuse puerile rash regardless remiss silly undiscerning unheeding unmindful unreasonable unreasoning unreflective unthinking vacuous witless

Antonyms

STRONGEST

careful cautious intelligent mindful prudent rational reasonable responsible sensible thoughtful wise

WEAK

attentive considerate heeding kind observant thinking unselfish

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.

She said: "While sitting and chatting we realised the flints we were sitting on were extremely hot... some thoughtless, careless people had just buried three disposable BBQs which were still glowing red! Absolutely disgusting behaviour!"

From BBC • May 31, 2026

A well-chosen pair of socks isn’t a thoughtless gift.

From The Wall Street Journal • Nov. 28, 2025

Am I wrong to think they are thoughtless?

From MarketWatch • Nov. 3, 2025

"People dismissing all AI-generated content as slop right now are being thoughtless, because there's a lot of great, compelling AI content that deserves their interest."

From Barron's • Oct. 13, 2025

I can’t believe I just said such a thoughtless thing, and my brain is scrambling to make up for it.

From "Blended" by Sharon M. Draper

Vocabulary lists containing thoughtless

Wolfie & Fly

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thoughtless

Example Sentences

Related Words

Vocabulary lists containing thoughtless

Wolfie & Fly