1
mindless(dull, careless, silly, stupid, absurd)
1
moronic(dull, silly, impractical, unintelligent, unaware)
1
new(lush, luxuriant, young, childlike, childish)
1
niggling
1
obtuse(dull, careless, stupid, unthinking, unintelligent)
1
odd(silly, foolish, fantastic, unwise, impractical)
1
out of all reason(expression, idiom, silly, foolish, fantastic)
1
out to lunch(expression, idiom, dull, silly, foolish)
1
outrageous(silly, foolish, fantastic, unwise, impractical)
1
peculiar(silly, foolish, fantastic, unwise, impractical)
1
peddling
1
piddling
1
pliable(lush, luxuriant, verdant)
1
pointless(adjective, dull, silly, foolish, stupid)
1
progeny
1
pullulating(lush, luxuriant, verdant)
1
puplike
1
puppyish
1
puppylike
1
quixotic(silly, foolish, fantastic, unwise, impractical)
11 years ago|11k views|share |citing 
APASmart Define. (2015). puerile thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/puerile/thesaurus/synonyms
ChicagoSmart Define. 2015. "puerile thesaurus" https://smartdefine.org/puerile/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, puerile thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/puerile/thesaurus/synonyms>.
MLASmart Define. "puerile thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/puerile/thesaurus/synonyms>