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Definition of For good
1. Adverb. For a long time without essential change. "He is permanently disabled" 
Definition of For good
1. Adverb. (idiomatic) Forever; permanently. ¹
¹ Source: wiktionary.com
|  | 
1. Adverb. For a long time without essential change. "He is permanently disabled" 
1. Adverb. (idiomatic) Forever; permanently. ¹
¹ Source: wiktionary.com