Synonyms & Antonyms of lethargy

physical or mental inertness
  • the doctor suspected that the patient's depression and lethargy were a result of seasonal affective disorder

Synonyms for lethargy

Words Related to lethargy

Near Antonyms for lethargy

Antonyms for lethargy

See the Dictionary Definition 

Frequently Asked Questions About lethargy

How does the noun lethargy contrast with its synonyms?

Some common synonyms of lethargy are languor, lassitude, stupor, and torpor. While all these words mean "physical or mental inertness," lethargy implies such drowsiness or aversion to activity as is induced by disease, injury, or drugs.

months of lethargy followed my accident

When would languor be a good substitute for lethargy?

The words languor and lethargy are synonyms, but do differ in nuance. Specifically, languor suggests inertia induced by an enervating climate or illness or love.

languor induced by a tropical vacation

When is lassitude a more appropriate choice than lethargy?

The words lassitude and lethargy can be used in similar contexts, but lassitude stresses listlessness or indifference resulting from fatigue or poor health.

a depression marked by lassitude

Where would stupor be a reasonable alternative to lethargy?

Although the words stupor and lethargy have much in common, stupor implies a deadening of the mind and senses by shock, narcotics, or intoxicants.

lapsed into an alcoholic stupor

When is it sensible to use torpor instead of lethargy?

The meanings of torpor and lethargy largely overlap; however, torpor implies a state of suspended animation as of hibernating animals but may suggest merely extreme sluggishness.

a once alert mind now in a torpor

Keep scrolling for more

Learn More about lethargy

Time Traveler for lethargy

Time Traveler

The first known use of lethargy was in the 14th century

See more words from the same century

Cite this Entry

“Lethargy.” Thesaurus, Merriam-Webster, Accessed 24 Feb. 2021.

Style: MLA
MLA Chicago APA Merriam-Webster

Keep scrolling for more

More from Merriam-Webster on lethargy

Dictionary: Definition of lethargy

Medical Dictionary: Definition of lethargy

Nglish: Translation of lethargy for Spanish Speakers

Britannica English: Translation of lethargy for Arabic Speakers

Comments on lethargy

What made you want to look up lethargy? Please tell us where you read or heard it (including the quote, if possible).


Test Your Vocabulary

More Confusing Words—Quiz

  • cats on impossible timber
  • The magician ______ moved the selected card to the top of the deck.
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

Universal Daily Crossword

A daily challenge for crossword fanatics.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!