sloth

noun

ˈslȯth How to pronounce sloth (audio)
ˈsläth,
also
ˈslōth How to pronounce sloth (audio)
plural sloths ˈslȯths How to pronounce sloth (audio)
ˈslȯṯẖz,
ˈsläths,
ˈsläṯẖz,
 also  ˈslōths,
ˈslōṯẖz
1
a
: disinclination to action or labor : indolence
b
: spiritual apathy and inactivity
the deadly sin of sloth
2
: any of various slow-moving arboreal edentate mammals (genera Bradypus and Choloepus) that inhabit tropical forests of South and Central America, hang from the branches back downward, and feed on leaves, shoots, and fruits compare three-toed sloth, two-toed sloth

Illustration of sloth

Illustration of sloth
  • sloth 2

Examples of sloth in a Sentence

the sins of gluttony and sloth a youth inclined more toward sloth than athletics
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
While everyone else hustles about, the sloth knows that in slowness there is safety and success. Kate Siber, Outside, 21 Oct. 2025 Instead, sloth teeth are made primarily of dentin, a more porous and organic-rich tissue that readily changes its chemical composition with fossilization. Aditya Reddy Kurre, The Conversation, 21 Oct. 2025 Humans have had an impact on biodiversity as far back as 130,000 years ago, with the disappearance of mammoths and giant sloths—and extinction has continued in our wake as the human race spread across the globe. Rachael O'Connor, MSNBC Newsweek, 17 Oct. 2025 Wendt's has an animal experience to meet the park's sloths and capybaras up close. Lillian Metzmeier, Louisville Courier Journal, 3 Oct. 2025 See All Example Sentences for sloth

Word History

Etymology

Middle English slouthe, from slow slow

First Known Use

12th century, in the meaning defined at sense 1a

Time Traveler
The first known use of sloth was in the 12th century

Browse Nearby Words

Cite this Entry

“Sloth.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sloth. Accessed 26 Oct. 2025.

Kids Definition

sloth

noun
plural sloths
ˈslȯths,
ˈslȯṯẖz
1
: the quality or state of being lazy
2
: any of several slow-moving mammals of the tropical forests of Central and South America that are related to the armadillos, live in trees, and feed on leaves, shoots, and fruits

More from Merriam-Webster on sloth

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