# lethargy

> English word · Noun · IPA /ˈlɛθ.ə(ɹ).d͡ʒi/ · frequency rank #42,236

## Definitions
1. A state of extreme torpor, sopor or apathy, especially with lack of emotion, energy or enthusiasm; (loosely) sluggishness, laziness.
2. A condition characterized by extreme fatigue or drowsiness, deep unresponsiveness, or prolonged sleep patterns.

## Etymology
From Middle English litargie, from Medieval Latin litargia, from Late Latin lēthārgia, borrowed from Ancient Greek ληθᾱργῐ́ᾱ (lēthārgĭ́ā, “drowsiness”), from λήθᾱργος (lḗthārgos, “forgetful, lethargic”) + -ῐ́ᾱ (-ĭ́ā, adjectival suffix).

## Easily confused with
- **lethargic** (https://plainspell.com/en/vs/lethargic-vs-lethargy)

## Common misspellings (13)
`elthargy`, `lehtargy`, `letahrgy`, `lethagry`, `letharggy`, `lethargyy`, `letharrgy`, `letharyg`, `lethhargy`, `lethragy`, `letthargy`, `llethargy`, `ltehargy`

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/lethargy