134 entries under basic topic. ×

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in demand(expression, main, chief, necessary)
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inbred(adjective, absolute, fundamental, key)
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larval(simple, fundamental, elementary)
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latent(adjective, original, fundamental, causal)
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lurking(adjective, original, fundamental, latent)
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name of the game(expression, adjective, idiom, absolute)
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needful(adjective, original, essential, fundamental)
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nuts and bolts(expression, idiom, fundamental)
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perfect(adjective, absolute, fundamental, key)
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rooter(fundamental, latent)
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straightforward(simple, uncomplicated)
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uncompleted(simple, fundamental, elementary)
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underivative(simple, first, unsophisticated, previous)
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veiled(adjective, original, fundamental, latent)
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APASmart Define. (2016). primary thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/primary/thesaurus/synonyms
ChicagoSmart Define. 2016. "primary thesaurus" https://smartdefine.org/primary/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, primary thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/primary/thesaurus/synonyms>.
MLASmart Define. "primary thesaurus" 29 March 2016. Web. 21 September 2026. <https://smartdefine.org/primary/thesaurus/synonyms>