high time

1. 1.

   the latest possible moment

   “it is high time you went to work”

   Broadertime

Questions about high time

What does high time mean?

high time means "the latest possible moment".

Is high time a common word?

high time is banded "Uncommon" — turns up in careful writing rather than conversation. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.