feigned

automatic, canned, concocted, fabricated, hokey, labored, manufactured, pat, unauthentic, unreal, unrealistic

double-dealing, empty, facile, hollow, hypocritical, insincere, left-handed, mealy, mealymouthed, two-faced, unctuous

exaggerated, histrionic, melodramatic, overacted, overdone, theatrical (also theatric)

cute, cutesy, genteel, goody-goody, mincing, overrefined, simpering

conventional, formal, impersonal, inflexible, rigid, stiff, stylized, wooden

artful, calculated, conscious, cultivated, deliberate, premeditated, studied

affected, assumed, claptrap, contrived, forced, mechanical, put-on, simulated, strained, unnatural

empty, hollow, meaningless

deceitful, devious, dishonest, false, untruthful

facile, glib, superficial

bogus, sham

facetious, jocular, tongue-in-cheek

canting, pharisaical, pious, sanctimonious, self-righteous, simon-pure