What does Def stand for?

The list of Def abbreviation meanings.

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1
Definitely(CHAT, Internet slang, Slang)
For more, try DEF on ALL ACRONYMS DICTIONARY
8 years ago|6.9k views|share |citing 
APASmart Define. (2018). def. Retrieved September 21, 2026, from http://smartdefine.org/def/abbreviations/f/Slang
ChicagoSmart Define. 2018. "def" http://smartdefine.org/def/abbreviations/f/Slang (accessed September 21, 2026).
HarvardSmart Define 2018, def, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/def/abbreviations/f/Slang>.
MLASmart Define. "def" 15 February 2018. Web. 21 September 2026. <http://smartdefine.org/def/abbreviations/f/Slang>