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English definition of “unthinking”

unthinking

adjective uk   /ʌnˈθɪŋ.kɪŋ/ formal mainly disapproving us  
not based on serious thought or an examination of the information: What annoys me about these people is their unthinking hostility to anything foreign or unfamiliar.Narrow-mindedNot showing careful thought
unthinkingly
adverb uk   /-li/ us  
I really didn't mean to offend her - I just said it unthinkingly.InconsiderateSelfishness
(Definition of unthinking from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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