in his right mind

1. 1.

   behaving responsibly

   Synonymsin her right mindin their right minds

   Similarsane

Questions about in his right mind

What does in his right mind mean?

in his right mind means "behaving responsibly".

What is another word for in his right mind?

Close synonyms include in her right mind, in their right minds. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

Is in his right mind a common word?

in his right mind is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.