58 entries under illusion topic. ×

29
deviation(noun, characteristic, good, change, disorder)
14
hallucination(noun, vision, dream, absurdity)
12
delusion(noun, state, confusion, deception, fault)
8
error(noun, confusion, deception, fault, mistake)
8
mistake(noun, deception, lapse, error, blunder)
8
quirk(noun, state, twist, deception, complex)
6
perversion(noun, deception, mistake, error, falsehood)
5
fallacy(noun, error, misconception)
4
faultiness(noun, deception, mistake, error, falsehood)
4
untruth(noun, deception, mistake, error, falsehood)
3
delirium(noun, love, passion, desire, excitement)
2
bias(noun, deception, mistake, error, falsehood)
2
erroneousness(noun, deception, mistake, error, falsehood)
2
falsehood(noun, deception, mistake, error, deviation)
2
fantasy(noun, trip, vision, dream)
2
heresy(noun, deception, mistake, error, falsehood)
2
inconsistency(noun, change, deception, mistake, usual)
2
mirage(noun, trip, vision, dream)
2
miscalculation(noun, confusion, deception, fault, mistake)
2
misconception(noun, confusion, deception, fault, mistake)
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APASmart Define. (2016). aberration thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/aberration/thesaurus/synonyms
ChicagoSmart Define. 2016. "aberration thesaurus" https://smartdefine.org/aberration/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, aberration thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/aberration/thesaurus/synonyms>.
MLASmart Define. "aberration thesaurus" 2 February 2016. Web. 25 September 2026. <https://smartdefine.org/aberration/thesaurus/synonyms>