sloth
US /slɑːθ/
UK /slɑːθ/

1.
a slow-moving tropical American mammal that hangs upside down from the branches of trees, feeding on leaves, buds, and fruit. It has long claws and a short snout.
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The sloth moved so slowly, it was hard to tell if it was even alive.
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Sloths spend most of their lives hanging upside down.