About 178,000 results
Open links in new tab
  1. DEF Definition & Meaning - Merriam-Webster

    Feb 24, 2026 · The meaning of DEF is definitely. How to use def in a sentence.

  2. Meanings & Definitions of English Words | Dictionary.com

    2 days ago · Learn about breaking up…with your partner's bed. Create as many words as you can. The world's leading online …

  3. Diesel exhaust fluid - Wikipedia

    Diesel exhaust fluid (DEF; also known as AUS 32 and sometimes marketed as AdBlue[3]) is a liquid used to reduce the amount of air …

  4. DEFINITION Definition & Meaning - Merriam-Webster

    3 days ago · The meaning of DEFINITION is a statement of the meaning of a word or word group or a sign or symbol. How to use …

  5. DEF Definition & Meaning | Dictionary.com

    DEF definition: definitely. See examples of def used in a sentence.

  6. Diesel Exhaust Fluid - Shop DEF Fluid - AutoZone

    Reduce emissions and keep your diesel vehicle running clean with diesel exhaust fluid (DEF) from AutoZone. We sell the best …

  7. def - Wiktionary, the free dictionary

    Jun 14, 2026 · While deets on her earnings aren't really public, we can def assume that Billie raked in a ton of dough from her Nike …

  8. What Is DEF and How Does It Work? - MotorTrend

    Jul 29, 2024 · Diesel exhaust fluid, or DEF, is a key component in lowering pollutants emitted from diesel engines, helping to improve …

  9. DEF | English meaning - Cambridge Dictionary

    DEF definition: 1. very good: 2. very good: . Learn more.

  10. DEF

    DEF is dedicated to connecting and empowering individuals in the national security community. Through our events, partnerships, …