| bravura | |
| breeze(noun, ease, peace, simplicity, freedom) | |
| brilliance | |
| calibre | |
| capable | |
| captaincy(noun, craft, skill, mastery, proficiency) | |
| carefulness(noun, skill, truth, certainty, sharpness) | |
| certainty(noun, skill, truth, sharpness, correctness) | |
| cinch(noun, ease, peace, simplicity, freedom) | |
| civility(noun, craft, skill, mastery, proficiency) | |
| closeness(noun, skill, truth, certainty, sharpness) | |
| clout(force, power, strength, influence, ability) | |
| competent | |
| composure(noun, ease, peace, simplicity, freedom) | |
| consistency(noun, order) | |
| coordination | |
| crackerjack(noun, craft, skill, mastery, proficiency) | |
| craftsmanship | |
| dash(noun, activity, go, drive, power) | |
| deed |
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| APA | Smart Define. (2016). efficiency thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/efficiency/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "efficiency thesaurus" https://smartdefine.org/efficiency/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2016, efficiency thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/efficiency/thesaurus/synonyms>. |
| MLA | Smart Define. "efficiency thesaurus" 25 February 2016. Web. 20 September 2026. <https://smartdefine.org/efficiency/thesaurus/synonyms> |