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.

Three days into their holiday in October, Ashley fell ill with symptoms including stomach pain, diarrhoea, vomiting, fever and extreme lethargy, Irwin Mitchell said.

From BBC • Feb. 1, 2026

Pascal Struijk glanced a header narrowly wide from another corner to underline Chelsea's lethargy at the back.

From Barron's • Dec. 3, 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

A "disappointed" Martin admitted: "There was just general lethargy and no speed in the first half."

From BBC • Aug. 9, 2025

They put her in a private room, and there she falls into lethargy, and her face freezes into a mask.

From "The Hot Zone" by Richard Preston

Vocabulary lists containing lethargy

The Giver

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The Pearl

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