in perpetuity

1. 1.

   for life

   “desire happiness in perpetuity”

   “an annuity paid in perpetuity”
2. 2.

   for an indefinitely long time

   “bequeathed to the nation in perpetuity”

Questions about in perpetuity

What does in perpetuity mean?

in perpetuity means "for life". That is the primary sense; the word has 2 in total, listed in full on this page.

Is in perpetuity a common word?

in perpetuity 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.