lethargy

[leth-er-jee] / ˈlɛθ ər dʒi /

NOUN

laziness, sluggishness

Synonyms

STRONGEST

apathy disinterest drowsiness inactivity

STRONG

coma disregard dullness hebetude heedlessness idleness impassivity inaction inanition indifference indolence inertia inertness insouciance languor lassitude listlessness passiveness phlegm sleep sleepiness sloth slowness slumber stupor torpidity torpidness torpor unconcern unmindfulness

WEAK

supineness

Antonyms

STRONG

action awakening concern consciousness interest liveliness regard wakefulness

WEAK

activity busyness energy life vigor vitality vivaciousness vivacity

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.

Symptoms in dogs include lethargy, vomiting and diarrhea.

From Los Angeles Times • Jan. 17, 2026

Guardiola responded to City's lethargy by sending on Rodri for the injury-plagued Spain midfielder's first appearance since November 2, when he played for one minute against Bournemouth.

From Barron's • Jan. 1, 2026

Depression was assessed through a questionnaire asking about depressed mood, disinterest, restlessness or lethargy during the previous two weeks.

From Science Daily • Nov. 17, 2025

That lethargy, meteorologists warn, could be catastrophic as it means that a hurricane can bring rain to a single location for days on end, aggravating flooding.

From BBC • Oct. 28, 2025

I would fall into a daze, not difficult for someone in such an advanced state of lethargy to begin with.

From "Life of Pi" by Yann Martel

Vocabulary lists containing lethargy

The Giver

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The Pearl

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The Hunger Games

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