1. [adj]  not made opaque or cloudy by sediment; "the wine was unclouded"
2. [adj]  not mentally disordered; "an unclouded mind"
3. [adj]  free from clouds; "under a cloudless sky"
4. [adj]  (of sound or color) free from anything that dulls or dims; "efforts to obtain a clean bass in orchestral recordings"; "clear laughter like a waterfall"; "clear reds and blues"; "a light lilting voice like a silver bell"

UNCLOUDED is a 9 letter word that starts with U.