Irrational number
The crossword clue "Irrational number" is answered by SURD, a 4-letter entry. Used 24 times across 21 distinct years; most recently in 2024; first recorded in 1951. It appears in 6 publications in the xd corpus. Every figure on this page comes from the collection data itself.
The answer
SURD
4 letters. See every clue for this answer on the SURD answer page.
Used 24 times across 21 distinct years; most recently in 2024; first recorded in 1951. It appears in 6 publications in the xd corpus. Frequency and last-seen figures come from the xd crossword corpus only.
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.
- Round number? - ZERO, used 48 times
- Large number - SLEW, used 47 times
- Number of Muses - NINE, used 29 times
- ___ code (part of a phone number) - AREA, used 24 times
- Number - SONG, used 23 times
- Number for one - ARIA, used 23 times
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