energetic

adjective

en·​er·​get·​ic ˌe-nər-ˈje-tik How to pronounce energetic (audio)
Synonyms of energetic
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 How to pronounce energetic (audio)
adverb

Synonyms of energetic

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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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
IceCube has used this approach to detect astrophysical neutrinos that are hundreds of thousands of times more energetic than those previously seen. — Yjan Gordon, The Conversation, 30 Oct. 2026 And there’s also their two energetic dogs and her duties as a Hoka ambassador, which requires personal appearances and other responsibilities. — Jean E. Palmieri, Footwear News, 29 Oct. 2026 If her energetic vibe, strong Latina identity, and bold charisma in her Peleton episodes are any indication, Camila, the singer, is just as fun and relatable. — Natalia Cano, Billboard, 28 Oct. 2026 Which, while certainly energetic, wasn't very lively of him, all things considered. — Loz Blain october 26, New Atlas, 27 Oct. 2026 See All Example Sentences for energetic

Word History

Etymology

Greek energētikos, from energein to be active, from energos

First Known Use

1700, in the meaning defined at sense 2

Time Traveler
The first known use of energetic was in 1700

Phrases Containing energetic

Rhymes for energetic

See All Rhymes for energetic

Browse Nearby Words

energeia
energetic
energetical
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Cite this Entry

“Energetic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/energetic. Accessed 1 Nov. 2026.

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Kids Definition

energetic

adjective
en·​er·​get·​ic ˌen-ər-ˈjet-ik How to pronounce energetic (audio)
: having or showing energy : active
an energetic salesperson
energetically
-ˈjet-i-k(ə-)lē How to pronounce energetic (audio)
adverb

Medical Definition

energetic

adjective
en·​er·​get·​ic ˌen-ər-ˈjet-ik How to pronounce energetic (audio)
: of or relating to energy
energetic equation
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