Definitions

sloth

[slawth, slohth] / slɔθ, sloʊθ /

NOUN

laziness

Synonyms

STRONG

idleness inactivity indolence inertia laxness lethargy listlessness slackness slothfulness slowness sluggishness

WEAK

do-nothingness lackadaisicalness languidness supineness

Antonyms

STRONG

activity busyness energy life liveliness vigor

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.

Visitors will be able to go into the sloth house from 14:00 on Wednesday.

From BBC • May 12, 2026

In one case, a nest was discovered inside the pulp cavity of a sloth tooth.

From Science Daily • Apr. 3, 2026

Researchers in Costa Rica have unearthed fossils from a mastodon and a giant sloth that lived as many as 40,000 years ago, officials announced Friday, calling it the biggest such find here in decades.

From Barron's • Feb. 13, 2026

I would wake earlier, but I think in a past life I was a two-toed sloth or something because I’m nocturnal and I move very slowly.

From Los Angeles Times • Dec. 12, 2025

My arm moves like a sloth reaching for a leaf.

From "The Last Cuentista" by Donna Barba Higuera

Vocabulary lists containing sloth

The Lazy, Hazy Days of Summer

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Amazing Animals, List 1

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My Brother Sam is Dead

Want to remember this word for good? Start your learning journey today with our library of interactive, themed word lists built by the experts at Vocabulary.com – we'll help you make the most of your study time!