- 1[often passive] eclipse something (of the moon, the earth, etc.) to cause an eclipse
- 2eclipse somebody/something to make someone or something seem dull or unimportant by comparison synonym outshine synonym overshadow Though a talented player, he was completely eclipsed by his brother.
NAmE//ɪˈklɪps//Verb Forms present simple I / you / we / they eclipse
he / she / it eclipses
past simple eclipsed
-ing form eclipsing