___ illusion
The crossword clue "___ illusion" is answered by OPTICAL, a 7-letter entry. Used 6 times across 5 distinct years; most recently in 2022; first recorded in 1964. It appears in 3 publications in the xd corpus. Every figure on this page comes from the collection data itself, never from a guess.
The answer
OPTICAL
7 letters. See every clue for this answer on the OPTICAL answer page.
Used 6 times across 5 distinct years; most recently in 2022; first recorded in 1964. It appears in 3 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.
- FANTASY (3 uses in xd)
- BUBBLE (1 uses in xd)
Other clues for OPTICAL
Every other clue in this collection answered by OPTICAL, most used first.
- Kind of illusion - used 15 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.
- Run - OPERATE, used 108 times
- Former - ONETIME, used 106 times
- Electra's brother - ORESTES, used 60 times
- Supervise - OVERSEE, used 57 times
- Burdensome - ONEROUS, used 55 times
- Theoretically - ONPAPER, used 51 times
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