noun · 4 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.
Received-Pronunciation:/ˈlæsɪˌtjuːd/
Southern-England:Recorded audio is listed in the source snapshot.
General-American:/ˈlæsɪˌtud/
1
noun
Meaning 1
Lethargy or lack of energy; fatigue, languor, listlessness
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
weakness characterized by a lack of vitality or energy
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: inanition, lethargy, slackness
Antonyms: none provided
Broader terms: weakness
3
noun
Meaning 3
a feeling of lack of interest or energy
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: languor, listlessness
Antonyms: none provided
Broader terms: apathy
4
noun
Meaning 4
a state of comatose torpor (as found in sleeping sickness)
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: lethargy, sluggishness
Antonyms: none provided
Broader terms: torpor, torpidity
Narrower terms: hebetude
History
Etymology
Borrowed from French lassitude, from Latin lassitūdō (“faintness, weariness”), from lassus (“faint, weary”), perhaps for *ladtus, and thus akin to English late.
Across languages
Translations
28 source translations are retained for this English entry.