deceitful

adj

1. insincere, disingenuous, false, mendacious, untruthful, hollow; dishonest, underhanded, untrustworthy, crooked; wily, tricky, designing, scheming, guileful, double-dealing; artful, crafty, Machiavellian, cunning, sly, snaky, foxy; subtle, insidious, collusive, circumventive, prevaricative; two- faced, Janus-faced, hypocritical, Sl. jive; perfidious, treacherous, traitorous, Punic, treasonable.

2. misleading, fallacious, illusory, illusive, spurious, factitious; fraudulent, deceptive, catchy; evasive, dodgy, elusive, slippery, shifty; specious, sham, bogus, counterfeit, mock, pseudo; make-believe, delusive, feigned, pretended, unreal, imaginary.