noun
1.
Synonyms: power 4, beef, energy, force, might, muscle, potency, puissance, steam, strength
2.
a quality of physical or mental force or forcefulness
the vigor of youth
Synonyms: bang, drive, getup, get-up-and-go, go, pep, punch, push, snap, starch, vitality; compare energy 2, enterprise 4, spirit 5
Related Word: bounce, energy, force, might, muscularity, power, strength; healthiness, soundness; lustiness, manliness, virility
Contrasted words: slowness, sluggishness
Antonyms: weakness
3.
Synonyms: energy 2, birr, go, hardihood, ||moxie, pep, potency, tuck
Related Word: dash, drive, dynamism, fire, punch, starch, steam, vim, zing, zip; ability, capability, capacity
Contrasted words: ineffectiveness; impotence; incompetence, uselessness, worthlessness