lethargic

[luh-thahr-jik] / ləˈθɑr dʒɪk /

ADJECTIVE

lazy, sluggish

Synonyms

STRONGEST

apathetic dull lackadaisical laid-back languid listless passive sleepy

WEAK

blah comatose debilitated dilatory dopey dormant draggy drowsy enervated having spring fever heavy idle impassive inactive indifferent inert laggard languorous moony nebbish out of it phlegmatic sleepyhead slothful slow slumberous snoozy somnolent spiritless stolid stretchy stupefied supine torpid wimpy

Antonyms

STRONGEST

active alert animated caring energetic lively vivacious

WEAK

busy vital

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.

That show is growing duller, and more lethargic and repetitive, by the day, like watching reruns of a canceled sitcom.

From Salon • Feb. 13, 2026

But never have I seen a team with so much potential and skill be so absolutely lethargic and unwatchable this season.

From Los Angeles Times • Dec. 27, 2025

Derek: Three points but another slow, lethargic performance.

From BBC • Dec. 15, 2025

But one night she told her parents she was feeling lethargic - within 24 hours her symptoms, including a fever, headache, vomiting and a rash on her stomach, worsened and she went to hospital.

From BBC • Dec. 1, 2025

Still lethargic from my sleep, I wondered if this was a game, a joke of Hamlet’s.

From "Ophelia" by Lisa Klein

Vocabulary lists containing lethargic

ASVAB Word Knowledge

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Essential Academic Vocabulary for High School Students, List 3

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ACT Vocabulary List

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