The #REF! error shows when a formula refers to a cell that's not valid. This happens most often when cells that were referenced by formulas get deleted, or pasted over.

The ref is the official who controls a sports event such as a football game or a boxing match. Ref is an abbreviation for referee.

Apr 27, 2026 · The meaning of REF is a referee in a game or sport.

Ref is an informal and shortened way of referring to a referee, an official in a sporting event who enforces the rules of the game. In sports, refs do things like call fouls and stop play when there has …

REF definition: 1. abbreviation for referee 2. written abbreviation for reference 3. to be the referee in a sports…. Learn more.

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Mar 26, 2020 · While “ref” is predominantly an abbreviation for reference or referee, it can also be used in other contexts. In some cases, it may be used to represent the concept of a call or mediate in …

Apr 11, 2026 · Verb ref (third-person singular simple present refs, present participle reffing, simple past and past participle reffed) (informal, ambitransitive) To referee; to act as a referee in a sport or game.

Define ref. ref synonyms, ref pronunciation, ref translation, English dictionary definition of ref. n. Informal A referee. American Heritage® Dictionary of the English Language, Fifth Edition.

Looking for the definition of REF? Find out what is the full meaning of REF on Abbreviations.com! 'Reference' is one option -- get in to view more @ The Web's largest and most authoritative …