adverb Informal.
- definitely: Going to Europe this summer? But def!
adjective
- Slang. excellent: That hip-hop record is def!
adjective
- slang very good, esp of hip-hop
abbreviation for
- definition
“excellent,” first recorded 1979 in Black English, perhaps a shortened form of definite, or from a Jamaican variant of death.
abbr.
- decayed, extraction indicated due to caries, or filled (used for deciduous teeth)
abbr.
- decayed, extraction indicated due to caries, or filled (used for permanent teeth)