evasive
cagey (informal) casuistic, casuistical, cunning, deceitful, deceptive, devious, dissembling, elusive, elusory, equivocating, indirect, misleading, oblique, prevaricating, shifty, shuffling, slippery, sophistical, tricky
Antonyms
candid, direct, frank, guileless, honest, open, straight, straightforward, truthful, unequivocating