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Definitions

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.

This suggests that electrical activity driven by dust, lightning, or energetic particles may play a broader role in shaping planetary environments.

From Science Daily • Apr. 5, 2026

Although Daisy does not have any lines in the film, the video game incarnation of her is known to be energetic and feisty.

From Los Angeles Times • Apr. 1, 2026

The best time to start a business is when you’re young, energetic and allowed to make mistakes.

From The Wall Street Journal • Mar. 18, 2026

Those humble beginnings have created a character who is passionate, energetic and provides effort, desire and commitment - all of which were evident in that stunning display against City.

From BBC • Mar. 11, 2026

His walk was brisk, energetic, and he looked like Ezeagu, the man who held the wrestling record in Ugwu’s village.

From "Half of a Yellow Sun" by Chimamanda Ngozi Adichie

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.