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Definitions

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.

There was a lethargy to Newcastle and you do not have to look too far to realise where the issues are for this leaky side.

From BBC • Feb. 28, 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

Like most of the countries where Christianity first took hold, wars and economic lethargy — not to mention a relatively easier path to emigration — have dwindled Lebanon’s Christian population over the decades.

From Los Angeles Times • Nov. 27, 2025

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

Elnora brought me a tonic of wild thyme and vinegar to ease my lethargy.

From "Ophelia" by Lisa Klein