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.

If residents smell smoke, they should avoid vigorous physical activity and stay indoors with doors and windows closed, L.A.

From Los Angeles Times • Jun. 21, 2026

The gas and dust throughout the galaxy appear to be heated primarily by vigorous star formation.

From Science Daily • Jun. 19, 2026

Is the vigorous Microsoft rally proving to be just a dead-cat bounce, as this week’s action suggests, or is it a pause in a potentially sustainable advance?

From Barron's • Jun. 5, 2026

Bullock did not play tennis, but Roosevelt would take him on his vigorous hikes through Washington’s Rock Creek Park.

From The Wall Street Journal • May 13, 2026

The aim of this book is not to venture into the long-running, vigorous debate in the scholarly literature regarding what does and does not constitute a caste system.

From "The New Jim Crow" by Michelle Alexander

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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