| Date: | 1700-1800 |
| Origin: | slough 'dead skin of an animal' (14-21 centuries), of unknown origin |
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slough1

slough something ↔ off
phrasal verb1 technicalHB to get rid of a dead layer of skin
2 literary to get rid of something, especially something that is damaging you :
The president wanted to slough off the country's bad image.
The president wanted to slough off the country's bad image.