(idiom) to act in an affected or hypocritical manner; to pretend to be someone one is not, such as by feigning kindness or sincerity

to act bashfully or affectedly; behaving in an unnaturally shy or coquettish manner

to strike a pose or affect an attitude for show; to behave in an artificial or pretentious manner

to be affectedly bashful or mincing in one's manner; to behave in an unnatural or artificial way