Synonyms for thoughtless
- adjective
Most common
All synonyms
Adjective
1. Inconsiderate — marked by or showing lack of due thought or care
inconsiderate, careless, unthinking, heedless, neglectful, reckless, mindless, insensitive, flippant, uncaring, hasty, unreflective, inattentive, indiscreet, negligent, unmindful, inadvertent, listless, unreasoning, flighty, unguarded, rash
Other
self-absorbed, unconsidered, giddy-brained, insensate formal
Definitions
- adj. 1
Marked by or showing lack of due thought or care.
Related words
- Word family
- thoughtlessly thoughtlessness
Choose the right word
A preoccupied person may seem listless and thoughtless, but the really listless and thoughtless have not mental energy to be preoccupied.
J. C. Fernald, English Synonyms and Antonyms (1914)
Example sentences
- careless It is very careless of you to leave the door open.
- inconsiderate You're the most inconsiderate person I've ever met.
- unthinking Unthinking respect for authority is the greatest enemy of truth.
- heedless We're acting like a pack of heedless cretins.
Popularity over time
| Word | 1850 → 2019 | Trend |
|---|---|---|
| thoughtless | rising | |
| careless | steady | |
| inconsiderate | rising | |
| unthinking | steady | |
| heedless | rising |
Use in printed books, per decade from 1850 to 2019.
By length
- 4 letters
- rash1
- 5 letters
- hasty2
- 7 letters
- flighty2
- 8 letters
- reckless2, careless2, mindless2, flippant2, uncaring3, listless2, heedless
- 9 letters
- negligent3, unguarded3, unmindful, insensate
- 10 letters
- neglectful3, unthinking3, indiscreet3
- 11 letters
- insensitive4, inadvertent4, inattentive4, unreasoning3
- 12 letters
- unreflective, unconsidered
- 13 letters
- inconsiderate
The small number after each word is its number of syllables (hasty2 = 2 syllables).
In other languages
- Français
- irréfléchi
- Deutsch
- leichtsinnig