Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb frustrate

2 senses of frustrate

Sense 1
thwart, queer, spoil, scotch, foil, cross, frustrate, baffle, bilk -- (hinder or prevent (the efforts, plans, or desires) of; "What ultimately frustrated every challenger was Ruth's amazing September surge"; "foil your opponent")
       => prevent, forestall, foreclose, preclude, forbid -- (keep from happening or arising; make impossible; "My sense of tact forbids an honest answer"; "Your role in the projects precludes your involvement in the competitive project")

Sense 2
torment, rag, bedevil, crucify, dun, frustrate -- (treat cruelly; "The children tormented the stuttering teacher")
       => harass, hassle, harry, chivy, chivvy, chevy, chevvy, beset, plague, molest, provoke -- (annoy continually or chronically; "He is known to harry his staff when he is overworked"; "This man harasses his female co-workers")

Antonyms of adj frustrated

1 sense of frustrated

Sense 1
defeated, disappointed, discomfited, foiled, frustrated, thwarted -- (disappointingly unsuccessful; "disappointed expectations and thwarted ambitions"; "their foiled attempt to capture Calais"; "many frustrated poets end as pipe-smoking teachers"; "his best efforts were thwarted")

INDIRECT (VIA unsuccessful) -> successful -- (having succeeded or being marked by a favorable outcome; "a successful architect"; "a successful business venture")

Similarity of adj frustrated

1 sense of frustrated

Sense 1
defeated, disappointed, discomfited, foiled, frustrated, thwarted -- (disappointingly unsuccessful; "disappointed expectations and thwarted ambitions"; "their foiled attempt to capture Calais"; "many frustrated poets end as pipe-smoking teachers"; "his best efforts were thwarted")
       => unsuccessful (vs. successful) -- (not successful; having failed or having an unfavorable outcome)