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 system synchronizes cabin lighting, instruments and audio settings to one of five prefabricated “atmospheres,” including Lounge, Joy, Nature, Energetic, and Minimal.

From The Wall Street Journal • Feb. 12, 2026

Pentagon safety inspectors came to the Tennessee property of explosives manufacturer Accurate Energetic Systems four times a year, tasked with examining facilities that made land mines, demolition charges and other products for the military.

From The Wall Street Journal • Nov. 17, 2025

Aerial video from the scene showed charred debris, smouldering vehicles and little remaining of the facility, which is owned by Accurate Energetic Systems.

From BBC • Oct. 10, 2025

Accurate Energetic Systems, an explosives manufacturer founded in 1980, did not immediately respond to AFP's request for comment.

From Barron's • Oct. 10, 2025

Several other companies, such as the Great Western Spinach Growers’ Association and the Energetic Breakfast Oats Company, wanted him to recommend their product, too, and offered him large sums of cash.

From "Mr. Popper's Penguins" by Florence Atwater and Richard Atwater

Vocabulary lists containing energetic

In the Mood? 100 Words to Describe Emotions

Looking to grow your vocabulary? Check out this interactive, curated word list from our team of English language specialists at Vocabulary.com – one of over 17,000 lists we've built to help learners worldwide!

Hooked on a Feeling, List 3

Interested in learning more words like this one? Our team at Vocabulary.com has got you covered! You can review flashcards, quiz yourself, practice spelling, and more – and it's all completely free to use!

"Principles of Business," Vocabulary from Chapter 6

Want to remember this word for good? Start your learning journey today with our library of interactive, themed word lists built by the experts at Vocabulary.com – we'll help you make the most of your study time!