反义词是late，中文意思是adj.

晚的;迟到;接近末期;在晚年;迟发生;迟做;近日暮的;近深夜的;已故的;

adv.

晚;迟;接近末期;在晚年;临近日暮;接近午夜;

例句

Spring came late this year.