Words / L / Medicine

lethargic

adjective/ləˈθɑːdʒɪk/

B1CEFR level
30/100Rarity: fairly common
TechnicalRegister

Lacking energy and feeling sluggish or unusually tired.

If you start to feel very lethargic or hard to rouse, that's something we'd want to know about.

Similar: sluggish, listless

Topic: Patient-facing communication in Medical English

Rarity runs from 0 (a word everyone knows) to 100 (almost never seen outside specialist or literary writing). Level is the word's real difficulty on the CEFR scale, from A1 to C2.

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More medicine words: Patient-facing communication