thoughtless

adjective thought·less \ -ləs \

Definition of thoughtless

1 :lacking concern for others :inconsiderate
  • rude and thoughtless behavior
  • a thoughtless remark
2 a :insufficiently alert :careless
b :reckless, rash
  • thoughtless actions
3 :devoid of thought :insensate

thoughtlessly

adverb

thoughtlessness

noun

Examples of thoughtless in a Sentence

  1. a selfish and thoughtless person

  2. always making thoughtless comments that hurt other people's feelings

Recent Examples of thoughtless from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'thoughtless.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of thoughtless

1544


THOUGHTLESS Defined for English Language Learners

thoughtless

adjective

Definition of thoughtless for English Language Learners

  • : not showing concern for the needs or feelings of other people


THOUGHTLESS Defined for Kids

thoughtless

adjective thought·less \ ˈthȯt-ləs \

Definition of thoughtless for Students

1 :not considerate of others
  • thoughtless behavior
2 :not careful and alert
3 :done without thinking
  • thoughtless actions

thoughtlessly

adverb

thoughtlessness

noun


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