HyperDic

English > 1 sense of the word well-nigh:
ADVERBallwell-nigh, about, almost, most, nearly, near, nigh, virtually(of actions or states) slightly short of or not quite accomplished
English > well-nigh: 1 sense > adverb 1
Meaning(of actions or states) slightly short of or not quite accomplished; all but.
Example "the recording is well-nigh perfect"
Synonymsabout, almost, most, nearly, near, nigh, virtually