1
anathema(adjective, offensive, permitted, prohibited, unthinkable)
1
arbitrary(adjective, unreasonable, extreme, improper, stiff)
1
ban(noun, bar, veto, exclusion, forbidding)
1
barred
1
beyond the pale(expression, adjective, idiom, offensive, restricted)
1
boundless
1
contraband
1
costing an arm and a leg(expression, adjective, idiom, extreme, improper)
1
cutthroat
1
dear(adjective, unreasonable, extreme, improper, stiff)
1
embargo(bar, ban, veto, refusal, forbidding)
1
enormous
1
exacting
1
exaggerated
1
fabulous
1
fancy
1
far-out(adjective, unreasonable, extreme, improper, stiff)
1
forbade
1
forbid
1
gigantic
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APASmart Define. (2015). out of bounds thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/out_of_bounds/thesaurus/synonyms
ChicagoSmart Define. 2015. "out of bounds thesaurus" https://smartdefine.org/out_of_bounds/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, out of bounds thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/out_of_bounds/thesaurus/synonyms>.
MLASmart Define. "out of bounds thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/out_of_bounds/thesaurus/synonyms>