energetic

[en-er-jet-ik] / ˌɛn ərˈdʒɛt ɪk /

ADJECTIVE

full of life; forceful

Synonyms

STRONGEST

active aggressive dynamic enterprising industrious lively powerful spirited sprightly spry strong tireless vigorous

WEAK

animated ball of fire breezy brisk demoniac driving forcible fresh hardy high-powered indefatigable kinetic lusty peppy potent red-blooded rugged snappy stalwart strenuous sturdy tough unflagging untiring vital vivacious zippy

Antonyms

STRONGEST

apathetic dispirited dull easygoing idle impotent inactive laid-back lazy lethargic passive weak

WEAK

lifeless slow sluggish tired

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Gravitational waves are ripples in spacetime produced by some of the most energetic events in the universe, such as collisions between black holes or neutron stars.

From Science Daily • Apr. 25, 2026

During recent visits, "she was particularly energetic and mentally clear" and even "played the piano one day", Moorman-Stahlman recalled.

From BBC • Apr. 23, 2026

Ian Stewart’s energetic boogie-woogie piano style rounded out the sound.

From Los Angeles Times • Apr. 20, 2026

Rounding out the exhibition are a series of ink, watercolor and acrylic works on paper that “express the energetic motion of fish in networks of black line and clouds of color,” a news release said.

From Los Angeles Times • Apr. 17, 2026

Beagles are energetic, and these people looked like the type who liked constant calm.

From "Please Ignore Vera Dietz" by A.S. King

Vocabulary lists containing energetic

In the Mood? 100 Words to Describe Emotions

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Hooked on a Feeling, List 3

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"Principles of Business," Vocabulary from Chapter 6

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