103 entries under silly topic. ×

1
senseless(foolish, fantastic, unwise, impractical)
1
short-sighted(foolish, fantastic, unwise, impractical)
1
starry-eyed(adjective, wild, unreasonable, absurd)
1
strange(foolish, fantastic, unwise, impractical)
1
stupid(weak, foolish, idle, useless)
1
theoretical(wild, unreasonable, useless, absurd)
1
unwise(adjective, wild, foolish, unreasonable)
1
weird(foolish, fantastic, unwise, impractical)
0
ape(foolish, unwise)
0
barmy(foolish, unwise)
0
bats in the belfry(expression, idiom, foolish, unwise)
0
batty(foolish, unwise, impractical, half-baked)
0
berserk(adjective, rough, wild, foolish)
0
blue sky(expression, impractical, unlikely, unreal)
0
bonkers(foolish, unwise)
0
cracked(foolish, unwise)
0
crazed(adjective, rough, wild, foolish)
0
cuckoo(foolish, unwise)
0
daft(foolish, unwise)
0
delirious(foolish, unwise)
10 years ago|8.2k views|share |citing 
APASmart Define. (2016). impracticable thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/impracticable/thesaurus/synonyms
ChicagoSmart Define. 2016. "impracticable thesaurus" https://smartdefine.org/impracticable/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, impracticable thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/impracticable/thesaurus/synonyms>.
MLASmart Define. "impracticable thesaurus" 29 March 2016. Web. 24 September 2026. <https://smartdefine.org/impracticable/thesaurus/synonyms>