74 entries under extreme topic. ×

3
gratuitous(adjective, spare, surplus, unnecessary)
3
inordinate(adjective, spare, unreasonable, extravagant)
3
uncalled-for(adjective, spare, surplus, unnecessary)
2
expendable(adjective, spare, surplus, unnecessary)
2
nonessential(noun, adjective, spare, treat)
2
overmuch(adjective, unreasonable, extravagant, excessive)
2
pleonastic(adjective, spare, useless, surplus)
2
superabundant(adjective, spare, unreasonable, useless)
2
useless(adjective, spare, excessive, surplus)
1
abounding(adjective, spare, useless, excessive)
1
boundless(unreasonable, extravagant, excessive, unwarranted)
1
disproportionate(unreasonable, extravagant, excessive, unwarranted)
1
dissipated(unreasonable, extravagant, excessive, unwarranted)
1
dizzying(unreasonable, extravagant, excessive, unwarranted)
1
enormous(unreasonable, extravagant, excessive, unwarranted)
1
exaggerated(unreasonable, extravagant, excessive, unwarranted)
1
exorbitant(spare, unreasonable, extravagant, unwarranted)
1
extravagant(spare, unreasonable, unwarranted, surplus)
1
immoderate(unreasonable, extravagant, excessive, unwarranted)
1
in excess(expression, adjective, spare, reserve)
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APASmart Define. (2016). extra thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/extra/thesaurus/synonyms
ChicagoSmart Define. 2016. "extra thesaurus" https://smartdefine.org/extra/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, extra thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/extra/thesaurus/synonyms>.
MLASmart Define. "extra thesaurus" 30 March 2016. Web. 24 September 2026. <https://smartdefine.org/extra/thesaurus/synonyms>