Synonyms|239Antonyms|2|Broader|4Narrower|3Related|116
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electro
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electros
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encephalogram
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endurance(noun, vigor, liveliness, vitality, get-up-and-go)
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engagement
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enterprise(noun, vigor, liveliness, vitality, get-up-and-go)
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exercise
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exertion(noun, vigor, liveliness, vitality, get-up-and-go)
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fire(noun, vigor, liveliness, vitality, get-up-and-go)
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fluoroscope
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forcefulness(noun, vigor, liveliness, vitality, get-up-and-go)
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fortitude(noun, vigor, liveliness, vitality, get-up-and-go)
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galvanism
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galvanometer
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geiger counter(expression, idiom, measurement)
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get-up-and-go(noun, vigor, liveliness, vitality, oomph)
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go(noun, vigor, liveliness, vitality, get-up-and-go)
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goniometer angle meter(expression, idiom, measurement)
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graduated cylinder(expression, idiom, measurement)
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hardihood(noun, vigor, liveliness, vitality, get-up-and-go)
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ChicagoSmart Define. 2015. "radioactivity thesaurus" https://smartdefine.org/radioactivity/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, radioactivity thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/radioactivity/thesaurus/synonyms>.
MLASmart Define. "radioactivity thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/radioactivity/thesaurus/synonyms>