Definitions

vigorous

[vig-er-uhs] / ˈvɪg ər əs /

ADJECTIVE

energetic, powerful

Synonyms

STRONGEST

active brisk dynamic effective efficient forceful healthy intense lively persuasive potent robust spirited strenuous strong tough vital zealous

WEAK

athletic ball of fire bouncing dashing driving enterprising exuberant flourishing forcible hale hard-driving hardy hearty lusty mettlesome peppy red-blooded rugged snappy sound spanking steamroller strapping strong as an ox sturdy take-charge takeover zippy

Antonyms

STRONGEST

apathetic delicate dispirited dull easy facile feeble fragile helpless impotent inactive incapable indifferent ineffective infirm lazy lethargic mild moderate sluggish soft unenthusiastic unhealthy weak

WEAK

enervated idle

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

In the deeply coded discourse of superpower relations, I think that translates into vigorous competition and disagreement, but without an actual shooting war.

From Salon • May 17, 2026

Doing a mix of exercise is helpful, evidence suggests, with the NHS recommending strengthening activities at least two days a week and vigorous cardio exercise for at least 75 minutes.

From BBC • Apr. 14, 2026

Compared with those who did no vigorous activity, individuals with the highest levels saw a 63% lower risk of dementia, a 60% lower risk of type 2 diabetes, and a 46% lower risk of death.

From Science Daily • Mar. 30, 2026

“We are now in the process of gathering all the facts and look forward to presenting a vigorous defense on behalf of Mr. Keenan.”

From Los Angeles Times • Mar. 23, 2026

“So we have a plan,” Mr. Pinkerton was saying, shaking Aunt Kitty’s hand with his usual vigorous grip.

From "The Detective's Assistant" by Kate Hannigan

Vocabulary lists containing vigorous

Tuck Everlasting

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Bridge to Terabithia

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The Witch of Blackbird Pond

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