energetic

Sometimes en·er·get·i·cal

[en-er-jet-ik]

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

/ ˌɛnəˈdʒɛtɪk /

adjective

1. having or showing much energy or force; vigorous

Other Word Forms

• energetically adverb
• hyperenergetic adjective
• nonenergetic adjective
• nonenergetically adverb
• quasi-energetic adjective
• quasi-energetically adverb
• superenergetic adjective
• superenergetically adverb
• ultraenergetic adjective
• unenergetic adjective
• unenergetically adverb

Word History and Origins

Origin of energetic¹

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

Synonym Study

See active.

Example Sentences

Most Supernovae come from the energetic ending of massive stars, but one very important variety comes from a small and unlikely source: the humble White Dwarf.

Read more on Space Scoop

From the central star, two cones of material are flung out into space in opposite directions, in a butterfly-like pattern, while smaller, more energetic jets of material fly straight out of the star.

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That posturing might have worked if he were younger or more energetic.

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So far there had been a wide range, from energetic young girls to calm, silver-haired ladies with long letters of reference.

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Before long she had corralled her two brothers into an energetic game of tygers, complete with snarls and pretend biting.

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Related Words

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