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

Apart from being the most intense solar flare of 2025 to date, the X-class flare also unleashed a stream of high-speed protons and other energetic particles toward our planet, something very few solar flares do. —Tereza Pultarova, Space.com, 4 Dec. 2025

With lights, but few sirens, the Spring Lake Park, Blaine and Mounds View Fire Department arrives for its senior Santa visits, the quieter companion to their energetic nighttime parades. —Derek James, CBS News, 3 Dec. 2025

Topping the list is the border collie—an agile, energetic breed with intense focus that excels at herding and needs lots of physical and mental stimulation to stay content. —Maria Azzurra Volpe, MSNBC Newsweek, 3 Dec. 2025

New York had spent the bulk of the game to that point spraying the ball around the court, making good decisions and playing with an energetic offense. —James L. Edwards Iii, New York Times, 3 Dec. 2025

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