# lethargic

> English word · Adjective · IPA /ləˈθɑɹd͡ʒɪk/ · frequency rank #38,015

## Definitions
1. Sluggish, slow.
2. Indifferent, apathetic.

## Etymology
Learned borrowing from Ancient Greek ληθαργικός (lēthargikós), from λήθαργος (lḗthargos, “forgetful, lethargic”), from λήθη (lḗthē, “a forgetting, forgetfulness”) (from which Lethe (“river in Hades”)) + ἀργός (argós, “not working”). By surface analysis, lethargy + -ic.

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

## Common misspellings (14)
`elthargic`, `lehtargic`, `letahrgic`, `lethagric`, `lethargci`, `letharggic`, `lethargicc`, `letharigc`, `letharrgic`, `lethhargic`, `lethragic`, `letthargic`, `llethargic`, `ltehargic`

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