boredomKK [ˋbɔrdəm] /ˈbɔɹdəm/名詞1無聊、厭倦、煩膩He started learning the guitar out of sheer boredom.他純粹因為太無聊才開始學吉他。2單調、乏味Nothing could relieve the boredom of that long train ride.那趟漫長的火車旅程單調乏味,怎麼也排解不了。