Sine qua non
The crossword clue "Sine qua non" is answered by NEED, a 4-letter entry. Used 31 times across 24 distinct years; most recently in 2026; first recorded in 1973. It appears in 9 publications in the xd corpus. Every figure on this page comes from the collection data itself.
The answer
NEED
4 letters. See every clue for this answer on the NEED answer page.
Used 31 times across 24 distinct years; most recently in 2026; first recorded in 1973. It appears in 9 publications in the xd corpus. Frequency and last-seen figures come from the xd crossword corpus only.
Other answers for this clue
The same clue has also been answered these ways in the xd corpus. Answers inside this collection link to their own answer page.
- CAUSA (3 uses in xd)
- ESSENTIAL (2 uses in xd)
- NECESSITY (2 uses in xd)
Other clues for NEED
Every other clue in this collection answered by NEED, most used first.
- Require - used 321 times, most recently in 2026
- Requirement - used 261 times, most recently in 2026
- Have to have - used 230 times, most recently in 2026
- Must have - used 172 times, most recently in 2026
- Call for - used 98 times, most recently in 2026
- Exigency - used 79 times, most recently in 2015
- Requisite - used 54 times, most recently in 2026
- More than want - used 41 times, most recently in 2026
- Cry out for - used 39 times, most recently in 2025
- Penury - used 37 times, most recently in 2013
- Can't live without - used 35 times, most recently in 2025
- Scholarship criterion - used 33 times, most recently in 2026
- "___ I say more?" - used 30 times, most recently in 2026
Related clues
Clues in this collection of the same answer length that share a word with this clue, or match its answer pattern when no word is shared. Most used first.
- ___ qua non - SINE, used 112 times
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