Definition of unthinking
- an unthinking decision
His unthinking agreement made me uneasy.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'unthinking.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
: done or said in a foolish or careless way without thinking about the possible effects : behaving in a foolish or careless way without careful thought
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