vigorous

adjective

vig·​or·​ous ˈvi-g(ə-)rəs 

1

: done with vigor : carried out forcefully and energetically

vigorous exercises

2

: possessing vigor : full of physical or mental strength or active force : strong

a vigorous youth

a vigorous plant

vigorousness noun

Synonyms

• dynamic
• energetic
• flush
• gingery
• lusty
• peppy
• red-blooded
• robust
• vital

Choose the Right Synonym for vigorous

vigorous, energetic, strenuous, lusty, nervous mean having or showing great vitality and force.

vigorous further implies showing no signs of depletion or diminishing of freshness or robustness.

as vigorous as a youth half his age

energetic suggests a capacity for intense activity.

an energetic campaigner

strenuous suggests a preference for coping with the arduous or the challenging.

the strenuous life on an oil rig

lusty implies exuberant energy and capacity for enjoyment.

a lusty appetite for life

nervous suggests especially the forcibleness and sustained effectiveness resulting from mental vigor.

full of nervous energy

Examples of vigorous in a Sentence

She remained vigorous into her nineties.

His speech was met with vigorous applause.

She gave a vigorous defense of her beliefs.

Recent Examples on the Web

That means doing your best to get in at least 150 minutes a week of moderate-intensity exercise, or 75 minutes a week of vigorous exercise, along with two days of strength training, per the Centers for Disease Control and Prevention (CDC). —Korin Miller, Flow Space, 16 June 2025

But that narrative hasn't stuck to Trump, who is known to ramble in public speeches but comes off as more vigorous to the public than Biden did. —Cybele Mayes-Osterman, USA Today, 15 June 2025

These Asian species spread very easily to natural areas, where their vigorous growth smothers native plants. —Beth Botts, Chicago Tribune, 15 June 2025

Strain out the ice then add the ingredients back to the shaker for a vigorous dry shake to help build a rich foam. —Jillian Dara, Forbes.com, 10 June 2025

Word History

Etymology

Middle English vigorous, vigrous, from Anglo-French, from vigour

First Known Use

14th century, in the meaning defined at sense 2

Rhymes for vigorous

• rigorous

Kids Definition

vigorous

adjective

vig·​or·​ous ˈvig-(ə-)rəs 

1

: having vigor : robust

vigorous youth

a vigorous plant

2

: done with force and energy

a vigorous protest

vigorously adverb

vigorousness noun