armchairTranslate armchair | into French | into German | into Italian | into Spanish Definition of armchair noun Pronunciation: /ɑːmˈtʃɛː, ˈɑːm-/ a large, comfortable chair with side supports for a person’s arms. [as modifier] lacking or not involving practical or direct experience of a particular subject or activity:an armchair travellerarmchair in other Oxford dictionaries Definition of armchair in the US English dictionary