Answer: OED
The crossword puzzle answer OED has 61 different clues. We have seen it appear in puzzles 75 times.
Crossword puzzle clues for OED:- J.R.R. Tolkien did some research for it
- Clairvoyant's words
- Ref. book that comes with a magnifying glass
- Brit. reference set
- "Webspace" was added to it in Jun. 2017
- Multivolume ref. set
- Wordsmith's ref.
- The mother of all dicts.
- Multivolume ref. work
- Weighty dict.
- Multi-vol. resource
- Its Jan. 2018 additions include "hangry" and "mansplain"
- Noted Brit lexicon
- Its Jun. 2019 additions include "bae" and "yeesh"
- Voluminous ref. work
- Brit. ref. work
- Ref. work whose 2018 Word of the Year is "toxic"
- Exhaustive dict.
- Ref. for wordsmiths
- Big Brit. reference book
- "... like ___ plantedby the rivers of water": Psalms
- 20-volume ref.
- Venerable ref.
- British ref. book
- Will process
- Lit. giant?
- Ref. whose recent updates include "chillax" and "whatev"
- Oft-cited ref. book
- U.K. reference book
- Its first vol. was published in 1884
- Exhaustive ref.
- Alphabetised tome: abbr.
- Subj. of "The Professor and the Madman"
- "Mansplain" was added to it in Jan. 2018
- British ref.
- Zinc ore
- Ref. updated quarterly
- Ref. tome
- Whittier's was barefoot
- Big bk.
- Big dict.
- Large dict.
- Ensemble of four suits
- Jay on teevee
- Multivolume ref.
- Brit. reference staple
- U.K. lexicon
- British word bk.
- Large ref. work
- Multi-volume ref.
- Venerable ref. work
- Brit. lexicon
- Twenty-volume UK reference
- Huge multi-volume ref.
- Ref. room offering
- Brit. reference work
- Big ref.
- 20-vol. reference
- Brit. reference bk.
- Brit. word ref
- UK lexicon
- Washington Post Daily Crossword Puzzle - 1998-01-03
- Washington Post Daily Crossword Puzzle - 1999-02-05
- Washington Post Daily Crossword Puzzle - 1999-05-20
- Washington Post Daily Crossword Puzzle - 1999-08-19
- Washington Post Daily Crossword Puzzle - 2000-04-14
- Washington Post Daily Crossword Puzzle - 2000-08-21
- Washington Post Daily Crossword Puzzle - 2000-09-22
- Washington Post Daily Crossword Puzzle - 2001-03-30
- Washington Post Daily Crossword Puzzle - 2002-05-06
- Washington Post Sunday Crossword Puzzle - 2002-07-07
- Washington Post Daily Crossword Puzzle - 2002-09-14
- Washington Post Daily Crossword Puzzle - 2004-03-04
- Washington Post Daily Crossword Puzzle - 2004-07-12
- Washington Post TV Crossword Puzzle - 2005-05-22
- Washington Post Daily Crossword Puzzle - 2005-07-07
- Washington Post Daily Crossword Puzzle - 2005-08-09
- LA Times Daily Crossword Puzzle - 2005-08-10
- Washington Post Daily Crossword Puzzle - 2005-08-19
- USA Today Crossword Puzzle - 2005-09-16
- Washington Post Daily Crossword Puzzle - 2005-10-23
- USA Today Crossword Puzzle - 2006-01-26
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