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.
Cheers, jeers, and energetic call-and-response exchanges echoed through the hall as the audience, dressed in bright green, pink, and red, some wearing candidate T-shirts, listened. — Miami Herald, 9 Oct. 2026 Swelling the two-person ranks of Price, Siffre and Associates is Michael’s energetic former assistant, Christy Palladino (Ella Stiller), fired for talking to him on the phone. — Robert Lloyd, Los Angeles Times, 8 Oct. 2026 Working with a dedicated core of energetic young believers, Jim and his wife, Tammy Faye, built PTL from scratch, demonstrating how religion could be fused with pop culture and entertainment to better connect with American Christians. — John Wigger, The Conversation, 8 Oct. 2026 But Lopez and Aguilar said their once energetic and playful dog was never the same. — Amy Corral, CBS News, 8 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 14 Oct. 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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