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Definitions

energy

[en-er-jee] / ˈɛn ər dʒi /
NOUN
person's spirit and vigor
Synonyms
STRONGEST
efficiency intensity power spirit stamina strength toughness vitality
STRONG
activity animation application ardor birr dash drive effectiveness efficacy endurance enterprise exertion fire force forcefulness fortitude get-up-and-go go hardihood initiative juice life liveliness might moxie muscle pep pizazz pluck potency puissance punch spontaneity steam tuck vehemence verve vim virility vivacity zeal zest zing zip
WEAK
operativeness élan
Antonyms
STRONGEST
apathy impotence inability incompetence inefficiency lack laziness lethargy weakness
STRONG
cowardice dispiritedness dullness idleness inactivity indifference indolence ineffectiveness lifelessness powerlessness uselessness
WEAK
tiredness
NOUN
generated power
Synonyms
STRONGEST
dynamism electricity heat potential service strength
STRONG
application burn conductivity current force friction gravity horsepower juice kilowatts magnetism pressure radioactivity rays reaction response steam voltage wattage
Antonyms
STRONGEST
lack
STRONG
peace question
WEAK
idleness inactivity laziness lethargy tiredness

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.

While energy supply shocks could raise prices for goods and services in related sectors, flight-to-safety demand for the dollar sparked by the conflict has been weakening the yen, further threatening to accelerate inflation.

From The Wall Street Journal • Apr. 28, 2026

"Not at all, but yes, because I've had more energy to fight."

From BBC • Apr. 28, 2026

He said the sector was also "vulnerable" to cost shocks, such as increases in energy prices.

From BBC • Apr. 27, 2026

Overview Energy and Meta announced a “first-of-its-kind agreement to bring space solar energy to data centers.”

From Barron's • Apr. 27, 2026

Maybe food and a short rest would give both of them new energy.

From "Earthquake Terror" by Peg Kehret

Vocabulary lists containing energy

Quantum of Vocabulary: the Parlance of Particle Physics

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Albert Einstein

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List 1

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