[plural] [noun]Appearances are what things look like rather than what they are made of, how they work, etc..You're so worried about appearances!To all appearances/(US also) From all appearances (= Judging from what can be seen) I would say their marriage is fine but I think she gives him a bad time in private.To keep up appearances is to continue living as if everything is the same as before so that people do not know you have personal problems, esp. money problems.(saying) 'Appearances can be deceptive' means things might not be what they seem.What does it matter what someone wears or how long their hair is? - Appearances can be deceptive.(saying) 'Appearances matter' means what you look like is important.Put a smart suit on for your interview - appearances matter!
APPEARANCES
Meaning of APPEARANCES in English
Cambridge English vocab. Кембриджский английский словарь. 2012