Synonyms of frustrated

2 Syllables

crabbed, cramped, stymied, foiled, putout, irked, ennuied, fed-up, balked, put-out, beaten, worsted, crimped

3 Syllables

resentful, restricted, unsated, unslaked, defeated

4 Syllables

disappointed, disheartened, dissatisfied, discontented, inhibited, embittered, unappeased, unassuaged, stonewalled, ungratified, discouraged