sluggish
Americanadjective
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indisposed to action or exertion; lacking in energy; lazy; indolent.
a sluggish disposition.
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not acting or working with full vigor, as bodily organs.
a sluggish liver.
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slow to act or respond.
a sluggish car engine.
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moving slowly, or having little motion, as a stream.
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slow, as motion.
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slack, as trade, business, or sales.
adjective
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lacking energy; inactive; slow-moving
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functioning at below normal rate or level
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exhibiting poor response to stimulation
Synonym Usage
See inactive.
Other Word Forms
Etymology
Origin of sluggish
First recorded in 1400–50, sluggish is from the late Middle English word slugissh. See slug 1, -ish 1
Explanation
When you are feeling draggy — positively slug-like — you are sluggish, or slow. If cookie sales are sluggish at your bake sale, you are selling very few treats. Just about anything can be sluggish. An old computer that takes forever to load a piece of software is sluggish, as is a car that can't quite make it up a big hill. And who isn't sluggish in the morning before the first cup of coffee?! Picture a slug moving its heavy little body across a basketball court... Still going? Yes. It will take that slug forever to get to the foul line at the sluggish pace it's moving.
Vocabulary lists containing sluggish
List 12
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Unit 1: Telling Details
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Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Canada’s goods-trade shortfall expanded to C$7.72 billion, as exports rose 3.9% and the Bank of Canada forecasts sluggish 1.2% growth this year.
From The Wall Street Journal • May 28, 2026
The treatment seemed to wake up healing pathways that are normally sluggish in older tissue.
From Science Daily • May 20, 2026
Home Depot shares have fallen over 12% since early 2026, underperforming Lowe’s and the S&P 500, amid a sluggish housing market.
From Barron's • May 18, 2026
The sluggish nature of the rounds - some taking almost six hours - added to the sense of frustration.
From BBC • May 16, 2026
He had been uncharacteristically leaden and sluggish all evening.
From "The Red Car to Hollywood" by Jennie Liu
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
