2
idealistic
2
impracticable
2
irrational(adjective, unreasonable, unsound)
2
baneful
2
in mind
2
incapable(adjective, unreasonable, unsound)
2
ineffective(adjective, weak)
2
inefficient(adjective, unreasonable, unsound)
2
inexperienced(adjective, unreasonable, unsound)
2
not helpful
2
screwball
2
unfeasible(adjective, unreasonable, unsound)
2
unpractical(adjective, impractical)
2
unreasonable(adjective, correct, right, unsound)
2
unserviceable(adjective, unreasonable, unsound)
2
unwieldy
1
abstract
1
academic(adjective, philosophy)
1
foolish(adjective, sound, wise)
1
awkward
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APASmart Define. (2016). practical thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/practical/thesaurus/antonyms
ChicagoSmart Define. 2016. "practical thesaurus" https://smartdefine.org/practical/thesaurus/antonyms (accessed September 22, 2026).
HarvardSmart Define 2016, practical thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/practical/thesaurus/antonyms>.
MLASmart Define. "practical thesaurus" 29 March 2016. Web. 22 September 2026. <https://smartdefine.org/practical/thesaurus/antonyms>