simple

Synonyms

artless, genuine, guileless, honest, ingenuous, innocent, naive (or naïve), natural, real, sincere, true, unaffected, unpretending, unpretentious;

Antonyms

affected, artful, artificial, assuming, dishonest, dissembling, dissimulating, fake, false, guileful, insincere, phony (also phoney), pretentious;

Near Antonyms

critical, cynical, mistrustful, skeptical, suspicious, wary;

cosmopolitan, sophisticated, worldly, worldly-wise;

civilized, cultivated, cultured, polished, refined;

crooked, deceitful, deceptive, devious, double-dealing, hypocritical, manipulative, two-faced;

arch, calculating, canny, crafty, cunning, designing, foxy, knavish, scheming, sharp, shifty, shrewd, slick, slippery, sly, subtle, tricky, underhanded, wily;

flattering, mealymouthed, smooth, sycophantic, unctuous;

Related Words

childlike, dewy-eyed, gee-whiz, impressionable, inexperienced, malleable, persuadable, persuasible, simpleminded, unsophisticated, unworldly, wide-eyed;

spontaneous, unforced, unstudied;

candid, direct, frank, free, free-spoken, open, openhearted, plain, plainspoken, single-minded, straight, straightforward, unguarded;

trustful, trusting;

exploitable, gullible (also gullable), susceptible, unwary;

Phrases

on the level;