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def

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def¹

  • /dɛf/

Sounds like deaf · Rhymes with -ɛf

Where it comes from

Clippings.

noun defs

  1. abbreviation, clipping, countable Clipping 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.”

    Similar: def.

  2. abbreviation, clipping, countable Clipping of deficit
  3. abbreviation, clipping, uncountable, usually Clipping 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.

adverb

  1. abbreviation, clipping, slang Clipping of definitely i can def sneak out tn. where should i meet u?

    Similar: deffo

def²

  • /dɛf/

Sounds like deaf · Rhymes with -ɛf

Where it comes from

Clipping of definitive or definitely; alternatively an eye spelling of death referring to an absolute.

adjective deffer · deffest

  1. slang Excellent; very good. You real def. I’m gonna put you on stage.

    Similar: ace, admirable, amazing, awe-inspiring, awesome, badass, broyal, bang on, bang-up, studly, based, beatific

DEF³

noun DEFs

  1. abbreviation, countable, uncountable Abbreviation of diesel exhaust fluid
  2. abbreviation, countable, initialism, uncountable Initialism of defence point
  3. abbreviation, countable, initialism, uncountable Initialism of daily electronic feed
  4. abbreviation, countable, initialism, uncountable Initialism of delayed electronic feed

Thesaurus

Closest in meaning: final, res, defining, definition, inition, thermal, mist, super, heat, defrost, defogger, ssr, fin, mulder, excellent, fantastic

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Cite this
MLA

"def." Wiktionary, via Micwyn, micwyn.com/word/def. Accessed 6 Nov. 2026.

APA

def. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/def

Chicago

"def." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/def.

BibTeX
@misc{def_2026,
  title = {def},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/def},
  urldate = {2026-11-06}
}