maddening

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++mad·den·ing /ˈmædənɪŋ/ adjective  ANNOYvery annoying 使人极其恼火的 SYN infuriating maddening delays 令人十分气恼的拖延 —maddeningly adverb He moved carefully and maddeningly slowly. 他小心地移动着，慢得让人受不了。

Examples from the Corpus

maddening• The 999 call took a maddening amount of time, but finally the ambulance and the police were on their way.• Golf can be a maddening game.• Lying awake in the small hours, after falling asleep quickly, can become another maddening habit.• One consequence of this hub-and-spoke system is the maddening inability to fly direct between seemingly obvious routes.• Fincara's maddening laughter rippled out, and she stepped over to him as easily as a dancer.• William turned from the maddening object, got dressed and went downstairs to find something to eat.• Eventually, the woman left, after putting the remaining coins back into her purse with maddening slowness.• She waited a few moments then rang the bell again, and this time the door opened with maddening slowness.• That's the maddening thing about these stories.

mad·den·ing adjectiveChineseSyllable  

annoying Corpus very

maddening
mad‧den‧ing /ˈmædənɪŋ/ adjective
very annoying
   SYN  infuriating:
    maddening delays
—maddeningly adverb:
    He moved carefully and maddeningly slowly.