thoughtless

[ thawt-lis ]

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.

thoughtless

/ 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

Derived Forms

• ˈthoughtlessness, noun
• ˈthoughtlessly, adverb

Other Words From

• thoughtless·ly adverb
• thoughtless·ness noun

Word History and Origins

Origin of thoughtless¹

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

Example Sentences

It could be a thoughtless joke, reading a banned book, harboring migrants marked for deportation, impeding untrammeled “drill-baby-drill” resource extraction, or attending an underground reproductive health clinic that sends us to the new Trump gulag.

From Salon

In July, his thoughtless bloviations about Taiwan sent markets plummeting.

From Salon

Upon the album’s release, the so-called left was losing the culture wars, in large part because they’ve been meeting Trump’s brand of thoughtless, deceptive certainty with more of the same.

From Salon

The Board of Deputies of British Jews called on the former cabinet minister to apologise for the "breathtakingly thoughtless comparison".

From BBC

Your mileage may vary depending on how much this sort of drama appeals to you, but while the rethinking of these characters is conceptually interesting, even intriguing, after a time, I did find their internal squabbling, adulterous sexcapades and thoughtless cruelty increasingly tedious.

From Los Angeles Times

Related Words

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