169 entries under unimportant topic. ×

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collateral(inferior, insignificant, minor, subordinate)
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consequential(inferior, insignificant, minor, subordinate)
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contingent(inferior, insignificant, minor, subordinate)
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entry level(expression, insignificant, trivial, minor)
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evanescent(slight, small)
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extra(inferior, insignificant, minor, subordinate)
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fat(adjective, small, minor)
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inappropriate(insignificant, minor, inconsequential, irrelevant)
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low-level
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minus(light, slight, low, small, insignificant)
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momentary(slight, small)
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no biggie(expression, insignificant, trivial, minor)
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nondescript(adjective, trivial, minor, senseless)
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not important(expression, slight, small)
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not worth mentioning(expression, adjective, idiom, trivial)
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off(adjective, small, insignificant, minor)
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outside(adjective, small, insignificant, minor)
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purportless(adjective, trivial, minor, senseless)
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relief(inferior, insignificant, minor, subordinate)
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reserve(inferior, insignificant, minor, subordinate)
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APASmart Define. (2016). petty thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/petty/thesaurus/synonyms
ChicagoSmart Define. 2016. "petty thesaurus" https://smartdefine.org/petty/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, petty thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/petty/thesaurus/synonyms>.
MLASmart Define. "petty thesaurus" 24 March 2016. Web. 29 September 2026. <https://smartdefine.org/petty/thesaurus/synonyms>