frustrating adj.
VERBS be, prove | become, get | make sth | find sth I found the delays intensely frustrating.
ADV. deeply, extremely, incredibly, intensely, particularly, really, terribly, very | increasingly | a bit, quite, rather, slightly | ultimately It was a demeaning and ultimately frustrating experience.
PREP. for It was rather frustrating for all of us.
You can also check other dicts: frustrating (English, 中文解释 ), wordnet sense, Collins Definition