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