Capacity or power for work or vigorous activity:
animation, energy, force, might, potency, power, sprightliness, steam, strength. (Informal) get-up-and-go, go, pep, peppiness, zip. See actionThe state or quality of being physically strong:
brawn, might, muscle, potence, potency, power, powerfulness, sinew, strength, thew (often used in plural). See strong
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