thoughtless

American  

[thawt-lis] / ˈθɔt lɪs /

adjective

1. lacking in consideration for others; inconsiderate; tactless.

   a thoughtless remark.

   Synonyms:

   neglectful , negligent

2. characterized by or showing lack of thought: think: thought.

   a shallow, thoughtless book.

3. not thinking enough; careless or heedless.

   thoughtless of his health.

   Synonyms:

   remiss , inattentive

4. devoid of or lacking capacity for thought. think. thought.

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thoughtless British  

/ ˈθɔːtlɪs /

adjective

1. inconsiderate

   a thoughtless remark

2. having or showing lack of thought

   a thoughtless essay

3. unable to think; not having the power of thought

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Other Word Forms

• thoughtlessly adverb
• thoughtlessness noun

Etymology

Origin of thoughtless

First recorded in 1585–95; thought ¹ + -less

Example Sentences

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

From The Wall Street Journal

Am I wrong to think they are thoughtless?

From MarketWatch

“Programs referred to as a ‘safety net’ are anything but when they can be removed with a thoughtless, vague message, or scribble from a permanent marker.

From Salon

"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

Perkins has sought specific training on how to sort out credible threats online from thoughtless reposts, allowing her to focus on students who pose real danger instead of punishing everyone.

From Salon

Related Words

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