| erudite | (adjective) having or showing profound knowledge | Synonyms: learned |
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| intruding | (adjective) projecting inward | - |
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| protruding | (adjective) extending out above or beyond a surface or boundary | Synonyms: jutting, projected, projecting, relieved, sticking, sticking out |
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| prudish | (adjective) exaggeratedly proper | Synonyms: priggish, prim, prissy, puritanical, square-toed, straight-laced, straightlaced, strait-laced, straitlaced, tight-laced, victorian |
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| rudimentary | (adjective) being or involving basic facts or principles | Synonyms: fundamental, underlying |
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| (adjective) being in the earliest stages of development | - |
| (adjective) not fully developed in mature animals | Synonyms: vestigial |