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Synonyms

energetic

American  
[en-er-jet-ik] / ˌɛn ərˈdʒɛt ɪk /
Sometimes energetical

adjective

  1. possessing or exhibiting energy, especially in abundance; vigorous.

    an energetic leader.

  2. powerful in action or effect; effective.

    to take energetic measures against crime.

    Synonyms:
    potent, strong, effectual

energetic British  
/ ˌɛnəˈdʒɛtɪk /

adjective

  1. having or showing much energy or force; vigorous

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Synonym Usage

See active.

Other Word Forms

Etymology

Origin of energetic

First recorded in 1645–55; from Greek energētikós, from energē- (from en- en- 2 + ergē-, variant stem of ergeîn “to be active”; see energy) + -tikos -tic

Explanation

Energetic describes someone who has lots of get-up-and-go. When you decide to jog alongside the bus instead of taking it to work, you are energetic — so energetic that it tires the rest of the commuters out just watching you. Energetic comes from the Greek, energetikos, meaning “active.” When you are energetic, you're active with enthusiasm and excitement to spare. Energetic describes those little kids you babysit, who never sit still and force you to play hide and seek. Energetic can also mean a powerful focused effort, where you work hard to achieve something. The energetic bond between the men was formed after months of training together in the military.

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Vocabulary lists containing energetic

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.

See Examples For:

Everybody’s still energetic and excited to be there.

From Los Angeles Times Aug. 6, 2026

“He’s smart, he’s energetic, he’s young. He’s committed,” Kermanian said.

From The Wall Street Journal Aug. 3, 2026

Linda Losurdo, a PhD candidate in materials and plasma physics in the School of Physics, combined nitrogen, carbon dioxide and acetylene to simulate the energetic conditions found near stars and supernova remnants.

From Science Daily Jul. 19, 2026

Jane Coates described her daughter Lucy Harrison as "energetic, very intelligent, funny and empathetic"

From BBC Jul. 16, 2026

Bunnicula did not make the most energetic playmate.

From "Bunnicula" by Deborah Howe and James Howe

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