Meanings
def1
plural defs
- abbreviationclippingcountableClipping of definition.
In that case Wills, J., adopted a dictionary def of “Cowkeeper” as, “one whose business it is to keep cows,” and added, “the business of a Cowkeeper is a special business of its own.”
1903, F[rederick] Stroud, The Judicial Dictionary, […], 2nd edition, London: Sweet and Maxwell; Stevens and Sons, page 4541 more example
The Black Books also reflect [Philip Babcock] Gove’s notoriously brusque manner, no doubt gained from an early career in the Navy. Memos begin, “Editorializing has no place in definitions,” or “Godlove’s psychophysical defs of color names and their references had better be regarded as sacrosanct.” Sir, yes, sir!
2017, Kory Stamper, Word by Word: The Secret Life of Dictionaries, New York, N.Y.: Pantheon Books, →ISBN, page 104Synonyms: def.
- abbreviationclippingcountableClipping of deficit.
- abbreviationclippinguncountableusuallyroleplaying gamesClipping of defence /defense.
5 def for each D6 seems over balanced and I also usually end up with the other defence (PD if you concentrate on ED and vice versa) being pitifully low.
1998 January 30, Christopher Weber, “Balancing attacks with defence in hero ...”, in rec.games.frp.super-heroes (Usenet)2 more examples
My necro was wearing Arctic Furs (def 45), Pelta Lunata (def 44), cap (def 4) and cracked sash (def 1) giving defence rating of exactly 100, or a 9% chance of being hit by a level
2000 November 5, paul, “A new one every day”, in alt.games.diablo (Usenet)that's fine if you can get an ally to aid you, or the enemy defs are moderate in level, but the cost of a solo one year kill in the late BB/nub era is osbscene.
2001 October 18, Daniel Neely, “bomber design”, in rec.games.computer.stars (Usenet)
- abbreviationclippingslangClipping of definitely.
i can def sneak out tn. where should i meet u?
3 more examples
And focus on cleaning the park. But we should def get waffle fries after.
2022 Barbie: It Takes Two, episode 7 “Start Small“ at 15 minutes, Malibu to BrooklynNot to toot our own horn, but we def had Austin Powers on VHS. This fun pop culture costume for couples may require some planning in advance to come up with these unique costumes, but trust us—it’ll pay off!
2023 September 19, Chaise Sanders, “50 Best Halloween Costumes of All Time, From the Classics to the Truly Unique”, in CosmopolitanWhile deets on her earnings aren't really public, we can def assume that Billie raked in a ton of dough from her Nike deal alone since each pair retails for a decent amount of $$$.
2024 September 4, Mehera Bonner, Samantha Olson, “Behold, A Breakdown of Billie Eilish's Massive Net Worth”, in CosmopolitanSynonyms: deffo
def2
comparative deffer · superlative deffest
- slangAfrican-American VernacularExcellent; very good.
You real def. I’m gonna put you on stage.
1985, Ralph Farquhar, Krush Groove, spoken by Run (Joseph Simmons)3 more examples
See I do this thing, so come pursue this king / One minor rhyme is all you just bring / Cause I’m the best I’m def, ask the rest they left
1988, “Run’s House”, in Tougher Than Leather, performed by Run-DMCL.A.—The Second Deffest City of Hip-Hop [title]
1988 February 7, Carly Darling, “L.A.—The Second Deffest City of Hip-Hop”, in Los Angeles TimesI’m a Flavor Unit MC / And that means I’m one of the roughest, def-est, toughest, best-est
1993, “Bring The Flavor”, in Black Reign, performed by Queen LatifahSynonyms: ace, admirable, amazing, awe-inspiring, awesome, badass, broyal, bang on
DEF3
plural DEFs
- abbreviationcountableuncountableautomotiveAbbreviation of diesel exhaust fluid.
- abbreviationcountableinitialismuncountablebroadcastingInitialism of daily electronic feed.
- abbreviationcountableinitialismuncountablebroadcastingInitialism of delayed electronic feed.
Synonyms & antonyms
adjectiveExcellent; very good.
Origin
def · adjective
Clipping of definitive or definitely; alternatively an eye spelling of death referring to an absolute.
Full word history & related roots →Rhymes & wordplay
Rhymes with def
All rhymes →Sounds the same
Anagrams
Cite this entry
def. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/def
“def.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/def. Accessed November 2, 2026.
WatkinsX Dictionary, s.v. “def,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/def.
Source: def on Wiktionary, CC BY-SA 4.0.