What does the abbreviation DEF stand for? Meaning: defendant; defense. How to use def in a sentence.

A definition states the meaning of a word using other words. This is sometimes challenging. Common dictionaries contain lexical descriptive definitions, but there are various types of definition – all with …

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Hold On, Is It Whoa or Woah? The "proper" spelling of this common interjection is widely debated. Here's what to know. Your memory might be lying to you. Find out what we mean. When smart gets …

Jun 26, 2025 · Diesel Exhaust Fluid, or DEF, is a non-toxic, colorless solution composed of 32.5% urea and 67.5% deionized water. It’s specifically designed to reduce harmful emissions from diesel …

5 days ago · Clear and simple definitions in American English from Britannica's language experts. More usage examples than any other 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.

5 days ago · Joey Pollizze analyzes all 2025 fantasy football Week 17 defenses (DEF) -- streamers, sits/starts, and D/ST waiver wire pickups to add. His Week 17 rankings and tiers for all of the NFL …

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 […]

Jul 29, 2024 · The number of miles you can drive before you need to refill your DEF depends on the vehicle's engine and its consumption. Most tanks use about a gallon of DEF for every 50 gallons of …