I.
noun
ADJECTIVE
▪ big , deep , large
▪ comfortable , comfy ( informal )
▪ plush
▪ old
▪ overstuffed
▪ leather , upholstered
VERB + ARMCHAIR
▪ be seated in , be slumped in , be sprawled in , sit in
▪ collapse into , flop into , throw yourself into
▪ curl up in , ease yourself into , settle into
▪
He eased himself into the big ~.
II.
adj.
Armchair is used with these nouns: ↑ fan , ↑ traveller , ↑ viewer , ↑ warrior