armchair
//ˈɑːmˌtʃeə(r)//
Noun
armchairSingular
armchairsPlural
1
A comfortable chair with side supports for a person's arms.
She sat in the armchair by the window and read a book.
Synonym
Adjective
armchairCanonical form
1
Lacking practical experience or direct involvement; theoretical rather than hands-on.
He's just an armchair critic who has never actually made a film.