If you describe something as interminable, you are emphasizing that it continues for a very long time and indicating that you wish it was shorter or would stop.
例句
...an interminable meeting.冗长乏味的会议
英汉词典释义
adj.
持续得过长的(通常指使人恼怒或厌烦)
For several seemingly interminable seconds no one spoke.有几秒钟没有人讲话,这几秒钟似乎十分漫长。I was glad of company for the last,long hours of this interminable flight.在这次漫无尽头的飞行的最后几个小时里,我有人作伴很高兴。