45 entries under extreme topic. ×

9
excessive(adjective, unreasonable, extravagant, extra)
6
exorbitant(adjective, unreasonable, extravagant, extra)
5
extravagant(adjective, unreasonable, extra, ridiculous)
1
unreasonable(adjective, extravagant, extra, ridiculous)
1
boundless(adjective, unreasonable, extravagant, excessive)
1
disproportionate(adjective, unreasonable, extravagant, excessive)
1
dissipated(adjective, unreasonable, extravagant, excessive)
1
dizzying(adjective, unreasonable, extravagant, excessive)
1
enormous(adjective, unreasonable, extravagant, extra)
1
exaggerated(adjective, unreasonable, extravagant, excessive)
1
extra(adjective, unreasonable, extravagant, excessive)
1
immoderate(adjective, unreasonable, extravagant, extra)
1
indulgent(adjective, unreasonable, extravagant, excessive)
1
inordinate(adjective, unreasonable, extravagant, extra)
1
intemperate(adjective, enthusiastic, unreasonable, ill)
1
limitless(adjective, unreasonable, extravagant, excessive)
1
more(adjective, unreasonable, extravagant, excessive)
1
needless(adjective, unreasonable, extravagant, excessive)
1
over(adjective, unreasonable, extravagant, excessive)
1
overkill(adjective, unreasonable, extravagant, excessive)
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APASmart Define. (2015). overboard thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/overboard/thesaurus/synonyms
ChicagoSmart Define. 2015. "overboard thesaurus" https://smartdefine.org/overboard/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, overboard thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/overboard/thesaurus/synonyms>.
MLASmart Define. "overboard thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/overboard/thesaurus/synonyms>