Ref. with more than 500,000 entries WSJ Crossword Clue
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The most common and recent 3-letter answer for "Ref. with more than 500,000 entries" is OED.
The clue refers to a reference work with a vast number of entries. 'Ref.' is short for 'reference,' and the Oxford English Dictionary (OED) is known for its comprehensive collection of over 500,000 words and definitions.
This clue was last seen in the WSJ Crossword on May 21, 2026.
OED stands for Oxford English Dictionary, a comprehensive dictionary of the English language.
It took more than 70 yrs. to complete its first edition, Work that traces the evolution of lang. over 1,000 years, Grand project begun by the London Philological Society, in brief, Ref. work with over 600,000 words, Source of 3.5 million quotations, for short
The clue “Ref. with more than 500,000 entries” is a classic crossword staple, frequently appearing in puzzles like the WSJ crossword. For the puzzle dated May 21 2026, the definitive 3-letter answer is: OED.
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