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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.

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

From BBC • Apr. 28, 2026

Companies that sell consumer goods like food, clothes or cleaning products are starting to feel the pinch as lower-earning consumers tighten their budgets in the face of higher energy costs and a stagnant job market.

From The Wall Street Journal • Apr. 27, 2026

Berte, an MIT-educated nuclear and aerospace engineer, founded Overview in 2022 with the goal of producing energy at scale.

From Barron's • Apr. 27, 2026

What the LP lacks in soul and intellect it makes up for in savage energy.

From The Wall Street Journal • Apr. 27, 2026

But the instruments they were using to measure growth were clunky and took a lot of time and energy to analyze.

From "Mountain of Fire" by Rebecca E. F. Barone

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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