English Reference
noun

sloth

n.
US /ˈsɫoʊθ/ UK /slˈɒθ/ sloth UK spelling sloths

  1. 01 B1 Intermediate

    a slow-moving animal that lives in trees in Central and South America.

    any of several slow-moving, arboreal, xenarthran mammals of the suborder Folivora, native to the tropical rainforests of South and Central America.

    Simple

    The sloth spent most of the day hanging upside down from a tree branch.

    In context

    Biologists observed the three-toed sloth moving with extreme deliberation through the canopy, a strategy that helps it avoid detection by predators.

  2. 02 C1 Advanced FormalLiterary

    the habit of being lazy or slow to act.

    habitual laziness or spiritual apathy; traditionally considered one of the seven deadly sins.

    Simple

    His failure to finish the project was due to pure sloth rather than a lack of time.

    In context

    The moralist argued that the nation's economic decline was a direct result of collective sloth and a lack of innovation.

    lazinessindolencelethargy
  3. 03 C2 Proficiency ArchaicLiterary

    a rare name for a group of bears.

    a collective noun used to refer to a group of bears.

    Simple

    We were surprised to see a sloth of bears gathered near the river.

    In context

    While 'sleuth' is the more common collective noun, some older texts refer to a sloth of bears wandering the forest.

    sleuth

From Middle English slouthe, slewthe (“laziness”), from Old English slǣwþ (“sloth, indolence, laziness, inertness, torpor”), from Proto-West Germanic slaiwiþu, from Proto-Germanic slaiwiþō (“slowness, lateness”), equivalent to slow + -th (abstract nominal suffix). Cognate with Scots sleuth (“sloth, slowness”).

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Origin gem-pro *slaiwiþō
Level C1 · Advanced
Frequency Occasional
Updated