def

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def

1. slang A shortening of "definitely." Oh yeah, I'll def be there on Friday!
2. slang Outstanding or excellent. Whoa, those sneakers are def—I love them!

mos def

slang Most definitely. A: "You coming to the party later?" B: "Mos def, I'll see you there!"
See also: def

def

(dɛf)
1. mod. better; cool. (Originally black. From definitive.) Man, that yogurt is def!
2. mod. definitely. This is def the best there is.

mos def

mod. most definitely. Am I mad. Mos def!
See also: def
References in periodicals archive ?
The return route from Deffer Woods went via Denby Hall Farm, Exley Gate and along the Kirklees Way footpath to Skelmanthorpe.
By 1987, rap was headed to the front of the music queue and Def Jam scored three major hits with Run DMC's and Aerosmith's "Walk This Way" becoming the first rap crossover, the Beastie Boys' Licensed to Ill album selling 5 million copies, and LL Cool J's Bigger and Deffer selling 2 million copies.
Participants will deffer based on the needs of a child and family.
We regularly walk through Deffer Wood over to Cannon Hall.
A gentle circular stroll from Denby Dale returning via Deffer Wood.
* N Swift, extension to form orangery and installation of air source heat pump, Deffer Wood Barn, Bagden Lane, Clayton West.
Withdrawn: * Mr N Swift, extension to form orangery, installation of Juliet balcony to master bedroom and installation of air source heat pump, Deffer Wood Barn, Bagden Lane, Clayton West.
Saturday July 17: Dawdling Back Through Deffer - 13-mile linear, train walk.
A ROMANTIC gesture was the inspiration for the Oxley Trail, a circular walk from Skelmanthorpe to Deffer Woods.