DEF Definition & Meaning - Merriam-Webster
What does the abbreviation DEF stand for? Meaning: defendant; defense. How to use def in a sentence.
def - Wiktionary, the free dictionary
Nov 17, 2025 · Failing to see the word's antecedents, I suspected that def was either bogus or an orphan, lost to its slang ancestors through mispronunciation or misspelling […]
def noun - Definition, pictures, pronunciation and usage notes | Oxford ...
Definition of def noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
DEF Definition & Meaning | Dictionary.com
DEF definition: definitely. See examples of def used in a sentence.
Administrator Zeldin Takes Additional Measures to Address Diesel ...
3 days ago · WASHINGTON – Today, U.S. Environmental Protection Agency (EPA) Administrator Lee Zeldin took another step to further the Trump EPA’s work to address widespread concerns from …
DEF definition and meaning | Collins English Dictionary
8 meanings: slang very good, esp of hip-hop definition → 1. a formal and concise statement of the meaning of a word, phrase,.... Click for more definitions.
Meanings & Definitions of English Words | Dictionary.com
1 day ago · The world's leading online dictionary: English definitions, synonyms, word origins, example sentences, word games, and more. A trusted authority for 25+ years!
EPA Announces New Measures to Eliminate Low DEF Limp Mode for …
2 days ago · Under updated EPA guidance this week, diesel trucks may no longer experience any derating as a result of running out of DEF. Here's the latest info.
DEF definition in American English | Collins English Dictionary
8 senses: slang very good, esp of hip-hop definition → 1. a formal and concise statement of the meaning of a word, phrase, etc....
DEF Definition & Meaning | Dictionary.com
See examples of DEF used in a sentence.