| futile(adjective, inferior, inadequate, limited, feeble) | |
| inane | |
| insignificant(adjective, slight, lower, value, inferior) | |
| nobody | |
| nonentity(noun, nonexistence) | |
| nullity(noun, nonexistence) | |
| of no effect(expression, idiom, invalid, unproductiveness) | |
| unavailing(adjective, inferior, inadequate, limited, feeble) | |
| unexisting(adjective, nonexistent) | |
| unimportant(adjective, slight, lower, value, inferior) | |
| unreal(adjective, ineffectual, valueless, unsubstantial) | |
| zippo(noun, zero) | |
| abolish(verb, abrogation) | |
| abrogate(verb, abrogation, inexistence) | |
| absence | |
| annul(verb, abrogation) | |
| cancel(verb, abrogation, nonobservance) | |
| characterless(adjective, ineffectual, valueless) | |
| cryptograph | |
| destroy(verb, abrogation, inexistence) |
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| APA | Smart Define. (2015). null thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/null/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "null thesaurus" https://smartdefine.org/null/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2015, null thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/null/thesaurus/synonyms>. |
| MLA | Smart Define. "null thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/null/thesaurus/synonyms> |