Akademik

foggy
adj. (foggier, foggiest)
1 (of the atmosphere) thick or obscure with fog.
2 of or like fog.
3 vague, confused, unclear.
Phrases and idioms:
not have the foggiest colloq. have no idea at all.
Derivatives:
foggily adv. fogginess n.

Useful english dictionary. 2012.