Meaning & use

lethargic

adjective·Academic

Lacking energy or enthusiasm; sluggish and unwilling to move or act.

See it in a sentence

The heat left everyone feeling lethargic by the middle of the afternoon.

He felt lethargic after the long flight and skipped his usual evening run.

A note on using this word

Lethargic can describe a temporary state from tiredness or illness, or a more lasting personality trait; context makes the difference clear.

Words with a similar meaning

Choose a synonym to suit the sentence. Meanings can overlap without being identical.

Words with an opposite meaning

Make it your own

Write a sentence using “lethargic”, then compare your use with the examples above.

Your draft stays on this page and is not sent anywhere.