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.

"Vigorous activity may not be safe for everyone, especially older adults or people with certain medical conditions. For them, any increase in movement is still beneficial, and activity should be tailored to the individual."

From Science Daily • Mar. 30, 2026

Vigorous exercise makes you breathe hard and fast.

From BBC • Jan. 20, 2026

Vigorous, principled disagreement remains essential to a thriving democracy.

From The Wall Street Journal • Dec. 12, 2025

Vigorous exercise makes that impossible, said Audrey Collins, a postdoctoral research scientist at AdventHealth Research Institute and the paper’s co-lead author.

From Los Angeles Times • May 19, 2025

Vigorous and almost unstoppable her whole life, this illness hit her hard.

From "The Girl Who Drew Butterflies: How Maria Merian's Art Changed Science" by Joyce Sidman

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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