Clue: Not optional: Abbr.
Not optional: Abbr. is a crossword puzzle clue that we have spotted 6 times. There are related clues (shown below).
Referring crossword puzzle answers
Likely related crossword puzzle clues
Recent usage in crossword puzzles:
- Universal Crossword - Aug. 14, 2023
- New York Times - Oct. 21, 2014
- Premier Sunday - Feb. 24, 2013
- LA Times - Sept. 27, 2011
- New York Times - April 19, 2009
- Wall Street Journal Friday - May 24, 2002
