adverb
1. in an exhaustive manner (Freq. 8)
-
we searched the files thoroughly
• Syn: ↑exhaustively
• Derived from adjective: ↑thorough
2. completely and absolutely (`good' is sometimes used informally for `thoroughly') (Freq. 7)
-
he was soundly defeated
-
we beat him good
• Usage Domain: ↑colloquialism
Useful english dictionary. 2012.