untimely
adj.
1530s, "coming before the proper or usual time," from un-(1) "not" + timely, adj.. Similar formation in Middle Danish utimelig, of weather, etc. Old English had untidlic "unseasonable." Related: Untimeliness.
〔李〕[un-=not不；timely a.＆ ad.及时的，及时地 →] Ⅰ a.at a wrong time or season不适时的，不合时宜的