1 To give out the definition or explain the meaning of something to someone

2.To do something that has so much impact and is so integral to something that it gives said thing meaning

3.Creating these words on Urban Dictionary
1. Guy 1:What does admin mean

Guy 2:It means a moderator of a online server ,account,or group

2. EmpLemon defined what it means to be a Youtuber nowdays in my eyes

3.Normal Urban Dictionary Guy:I'ma define a word with my own opinion and something sexual instead of the real definition or the actual slang meaning of that word.
by Gabericus December 01, 2019
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What I'm doing.
Person 1: The word define means-
Person 2: What the heck are you doing??
Person 1: I'm trying to define a word.
Person 2: What does define mean?
Person 1: Define means-
Person 2: WHAT THE HELL ARE YOU DOING??
Person 1: I'm defining the word define!! You just asked!!
Person 2: You can't just define a word without me knowing what define even means you idiot!
Person 1: *sigh*
by JeremiahWD April 18, 2021
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(JJ does a back flip) Lucas-“yo bro that was mad defined”
by Defs by ZR and LV October 20, 2020
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(Def-in) adv.

1. Without a doubt

2. Oh for sure

3. Damn Straight
Jane: What could we possibly do to top a weekend of hiking and boulder
jumping?
Tom: Hey look, Watchung! Mechanical bull???
Jane: Defin!
by janegb May 28, 2007
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What you pay when you defish with debate in an environmentally protected lake.
What a horrible pun, using defish as if to say "the fish" The collection of groans can be heard across the planet.
by aybab2 September 13, 2003
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