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Definition of sluggish
sluggish
/ˈslʌɡ.ɪʃ/
slug · gish
Adverb:sluggishly
sluggish Lexical Profile
CEFR
B2
Grade
7
Tier
2
Usage
Top 10k
Syllables
2
sluggish Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• adjective
1
Slow-moving or inactive; lacking energy, alertness, or vigor.
Example
"A heavy lunch often makes me feel sluggish in the afternoon."
2
Operating, responding, or progressing more slowly than usual or than desired (especially of an economy, market, or machine).
Example
"The housing market remained sluggish throughout the winter months."
Synonyms
View all synonyms for sluggish Antonyms
View all antonyms for sluggish• Rhymes for sluggish
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Word Origin & Etymology
First recorded in the early 15th century, formed from the Middle English noun 'slugge' (meaning a lazy, heavy, or slow-moving person, probably of Scandinavian origin) combined with the suffix '-ish'.
Usage Trend
Historical frequency of usage in published text.
180019102020
Data source: Google Books Ngram Viewer
Cite this Entry
Wordmom. (2026). Definition of Sluggish. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/sluggish