all-important, essential, indispensable, needed, requisite

insistent, persistent, pressing, urgent

demanded, enforced

coercive

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

accidental, unplanned, unpremeditated

automatic, impulsive, instinctive, spontaneous, unprompted

inadvertent, unconscious, unknowing, unwitting