| cultivated(familiar, knowledgeable, skilled, qualified, experienced) | |
| cultured(familiar, knowledgeable, informed, experienced, learned) | |
| czar(noun, law, judge, expert, boss) | |
| dab | |
| daedal | |
| dead shot | |
| deliver | |
| dextrous | |
| diligent(adjective, regular, serious, practical, competent) | |
| dillettante(crackerjack, whiz, powerhouse, musician, magician) | |
| diplomat | |
| diplomatic | |
| diplomatist | |
| disciplined(adjective, regular, serious, practical, competent) | |
| doctor(noun, authority, expert, genius, whiz) | |
| dog(noun, adult) | |
| doyen(noun, authority, master, expert, genius) | |
| doyenne(noun, authority, expert, genius, superstar) | |
| dynamite(familiar, sophisticated, knowledgeable, skilled, competent) | |
| earnest(adjective, regular, serious, practical, competent) |
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| APA | Smart Define. (2016). professional thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/professional/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "professional thesaurus" https://smartdefine.org/professional/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2016, professional thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/professional/thesaurus/synonyms>. |
| MLA | Smart Define. "professional thesaurus" 30 March 2016. Web. 23 September 2026. <https://smartdefine.org/professional/thesaurus/synonyms> |