THESAURUS
downbeat
Cassandra-like, Cassandran, Cassandrian, arsis, bar beat, beat, bout, circle, circuit, course, cycle, cynical, defeatist, diastole, dismal, gloomy, negative, negativistic, nihilistic, offbeat, pessimist, pessimistic, pulsation, pulse, revolution, rotation, round, series, spell, systole, thesis, throb, turn, uncheerful, upbeat, wheel