()がゆい

はがゆい
i-adjective
frustrating; vexing; tantalizing
1. frustrating; vexing; irritating (because things aren't going as desired)
The feeling of frustration when something is close to what you want but not quite satisfactory, or when you cannot do anything about an unsatisfying situation.
(かれ)優柔不断(ゆうじゅうふだん)態度(たいど)()がゆい。
His indecisive attitude is frustrating.
自分(じぶん)では(なに)もできないのが()がゆい。
It's frustrating that I can't do anything myself.
()がゆい(おも)いをした。
I felt frustrated (had a vexing experience).

ETYMOLOGY:
Literally "itchy teeth" - the sensation of wanting to bite down but being unable to, expressing impotent frustration.

FORMS:

  • Adverbial: ()がゆく
  • Noun form: ()がゆさ (frustration, vexation)

CONJUGATION:

  • Negative: ()がゆくない
  • Te-form: ()がゆくて
  • Past: ()がゆかった

USAGE PATTERNS:

  • Xが()がゆい (X is frustrating)
  • ()がゆい(おも)いをする (to have a frustrating experience)
  • ()がゆく(かん)じる (to feel frustrated)

SIMILAR WORDS:

  • もどかしい (frustrating) - similar meaning, focused on impatience
  • いらいらする (to be irritated) - more about annoyance
  • じれったい (impatient, irritating) - similar, more casual

NUANCE:
()がゆい specifically expresses frustration at not being able to intervene or change a situation, often watching someone else fail to meet expectations.