52 entries under fantastic topic. ×

66
invalid(adjective, feature, state, correct, condition)
25
unreasonable(adjective, wrong, reason, poor, false)
21
absurd(adjective, wrong, wild, strange, silly)
17
unsound(adjective, correct, wrong, false, silly)
13
incoherent(adjective, wrong, strange, foolish, stupid)
12
unconnected(adjective, separate, strange, sense, unreasonable)
10
foolish(adjective, wrong, silly, stupid, crazy)
8
ludicrous(adjective, silly, foolish, stupid, crazy)
8
nonsensical(adjective, wrong, silly, foolish, stupid)
6
implausible(adjective, poor, sense, absurd)
6
inconsequential(reasoning, irrational, arbitrary, unbelievable)
6
rambling(adjective, strange, detached, irregular)
5
distorted(adjective, strange, irregular, improper)
4
unintelligible(adjective, strange, detached, irregular)
4
unrealistic(adjective, wild, unreasonable, useless)
3
improbable(adjective, poor, wild, unreasonable)
3
jumbled(adjective, strange, detached, irregular)
2
aberrant(foolish, unreasonable)
2
bizarre(adjective, strange, irregular, doubtful)
2
far-fetched(adjective, hard, irrational, arbitrary)
<123>
11 years ago|20k views|share |citing 
APASmart Define. (2015). illogical thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/illogical/thesaurus/synonyms
ChicagoSmart Define. 2015. "illogical thesaurus" https://smartdefine.org/illogical/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, illogical thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/illogical/thesaurus/synonyms>.
MLASmart Define. "illogical thesaurus" 13 April 2015. Web. 29 September 2026. <https://smartdefine.org/illogical/thesaurus/synonyms>