for good

1. 1.

   for a long time without essential change

   “he is permanently disabled”

   Synonymspermanently

Questions about for good

What does for good mean?

for good means "for a long time without essential change".

What is another word for for good?

Close synonyms include permanently. 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 for good a common word?

for good 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.