1. Not capable of being improved on
   - unexceeded, unsurpassed

See also: best

• unenthusiastic
• unenthusiastically
• unentitled
• unenviable
• unequable
• unequal
• unequal to
• unequaled
• unequalised
• unequalized
• unequalled
• unequally
• unequipped
• unequitable
• unequivocal
• unequivocally
• unequivocalness
• unerasable
• wine waiter
• wine-colored
• wine-coloured
• wine-maker's yeast
• wine-red
• wineberry
• wineglass