jeu d'esprit (noun) lightheartedness: high spirits
Sinonime: affected, artificial, assuming, bland, canting, captious, caviling, deceptive, deluding, dissembling, double, double-dealing, duplicitous, faithless, false, feigning, fishy, fraudulent, glib, hollow, insincere, jivey, left-handed, lying, moralistic, oily, pharisaical, phony, pietistic, pious, sanctimonious, self-righteous, smooth, smooth-spoken, smooth-tongued, snide, specious, spurious, two-faced, unctuous, unnatural, unreliable
Antonime: actual,
authentic,
forthright,
honest,
just,
real,
reliable,
righteous,
sincere,
truthful,
upright