vigor
[noun]
Synonyms: power, beef, energy, force, might, muscle, potency, puissance, steam, strength, bang, drive, getup, get-up-and-go, go, pep, punch, push, snap, starch, vitality, enterprise, spirit, birr, hardihood, moxie, tuck

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Antonyms: weakness
Contrasted words: slowness, sluggishness, ineffectiveness, impotence, incompetence, uselessness, worthlessness
Related Words: bounce, energy, force, might, muscularity, power, strength, healthiness, soundness, lustiness, manliness, virility, dash, drive, dynamism, fire, punch, starch, steam, vim, zing, zip, ability, capability, capacity

[TahlilGaran] English Synonym Dictionary ▲

I. vig‧or /ˈvɪɡə $ -ər/ noun [uncountable]
the American spelling of vigour

[TahlilGaran] Dictionary of Contemporary English ▲

II. vig‧our British English, vigor American English /ˈvɪɡə $ -ər/ noun [uncountable]
physical or mental energy and determination
with vigour
He began working with renewed vigour.

[TahlilGaran] Dictionary of Contemporary English ▲