Synonyms|428Antonyms|78|Broader|9Narrower|13Related|102

201 entries under noun topic. ×

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expediency(service, worth, practicality, usefulness)
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extortion(power, strength, energy, vigor)
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extremity(intensity, concentration)
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fervor(intensity, concentration)
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fierceness(power, strength, energy, vigor)
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friction(vigor, liveliness, vitality, get-up-and-go)
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full head of steam(expression, idiom, power, strength)
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fury(power, strength, energy, vigor)
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generated power(expression, vigor, liveliness, vitality)
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gift(ability, capacity, competence, potential)
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gumption(drive, power, strength, energy)
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guts(drive, power, strength, energy)
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heat(vigor, liveliness, vitality, get-up-and-go)
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horsepower(power, strength, energy, vigor)
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impetus(drive, power, strength, energy)
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impressiveness(power, strength, energy, vigor)
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impulse(drive, power, strength, energy)
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intestinal fortitude(expression, power, strength, energy)
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kick(force, power, strength, intensity)
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kilowatts(vigor, liveliness, vitality, get-up-and-go)
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APASmart Define. (2015). efficacy thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/efficacy/thesaurus/synonyms
ChicagoSmart Define. 2015. "efficacy thesaurus" https://smartdefine.org/efficacy/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, efficacy thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/efficacy/thesaurus/synonyms>.
MLASmart Define. "efficacy thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/efficacy/thesaurus/synonyms>