Definition of thoughtless
- rude and thoughtless behavior
- a thoughtless remark
a selfish and thoughtless person
always making thoughtless comments that hurt other people's feelings
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.
: not showing concern for the needs or feelings of other people
What made you want to look up thoughtless? Please tell us where you read or heard it (including the quote, if possible).
investment of mental or emotional energy
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