be brown study (verb) brood: agonize over
Sinonime: actor, bluffer,
charlatan,
cheat,
counterfeit,
deception,
fabrication, faker, flimflam, forgery, four-flusher,
fraud, gold brick,
hoax,
imitation, imposition, imposture, junque, make-believe, mountebank,
phony,
plant*, pretender,
pretense,
pseudo*, put-on, reproduction,
scam,
sham*, sleight, spoof,
swindle,
trickAntonime: original,
reality