energetic

adjective

en·​er·​get·​ic ˌe-nər-ˈje-tik 

1

: operating with or marked by vigor or effect

2

: marked by energy : strenuous

an energetic walk

3

: of or relating to energy

energetically

ˌe-nər-ˈje-ti-k(ə-)lē 

adverb

Synonyms of energetic

• dynamic
• vigorous
• lively
• robust
• powerful

Choose the Right Synonym for energetic

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 energetic in a Sentence

She has an energetic personality.

The children are energetic workers.

They mounted an energetic campaign.

Recent Examples on the Web

The festive, charming and energetic North American tour of the Broadway production is packed with as much nostalgia as new characters that are doppelgangers for the original series’ heroes and villains, and who often challenge our assumptions about their infamous families. —John Wenzel, Denver Post, 4 June 2026

Researchers think a hot, energetic wind blowing from Sgr A* created this structure by sweeping the cold gas away or heating it up. —Adam Harrington, CBS News, 4 June 2026

Their energetic routine left the judges stunned. —Deirdre Durkan, PEOPLE, 3 June 2026

The idea was that the components farthest from the pad were nearest the most energetic part of the explosion. —Eric Berger, ArsTechnica, 3 June 2026

Word History

Etymology

Greek energētikos, from energein to be active, from energos

First Known Use

1700, in the meaning defined at sense 2

Phrases Containing energetic

• hyper-energetic

Rhymes for energetic

• alphabetic
• anaesthetic
• anesthetic
• antithetic
• apathetic
• arithmetic
• cybernetic
• diabetic
• dietetic
• diuretic
• empathetic
• geodetic

Kids Definition

energetic

adjective

en·​er·​get·​ic ˌen-ər-ˈjet-ik 

: having or showing energy : active

an energetic salesperson

energetically

-ˈjet-i-k(ə-)lē 

adverb

Medical Definition

energetic

adjective

en·​er·​get·​ic ˌen-ər-ˈjet-ik 

: of or relating to energy

energetic equation