List of uncheerful synonyms and uncheerful related words.
Cassandra-like, Cassandran, Cassandrian, cheerless, cynical, defeatist, discontented, dismal, downbeat, gloomy, grim, humorless, in bad humor, infestive, joyless, mirthless, miserable, negative, negativistic, nihilistic, out of humor, out of sorts, pessimist, pessimistic, pleasureless, sorry, sorryish, uncheery, unhappy, unjoyful, unmirthful, unsmiling, wretched