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English definition of “armchair”

armchair

adjective [before noun]     /ˈɑːm.tʃeər/ US  /ˈɑːrm.tʃer/
describes a person who knows, or says they know, a lot about a subject without having direct experience of it: an armchair critic/gardener/travellerEnthusiastsAdmirersInexperienced (of people)Naive and trusting
(Definition of armchair adjective from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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