WordNet sense 1 (characterized by or indicative of distress or affliction or danger or need):

troubled

WordNet sense 2 (filled or abounding with clouds):

overcast, sunless, cloud-covered

WordNet sense 3 (full of or covered with clouds):

cloudy

WordNet sense 4 (mentally confused; unable to think with clarity or act intelligently):

confused

WordNet sense 5 (unclear in form or expression):

blurred

WordNet sense 6 (not clear to the mind):

unclear