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"unwind" is also used as a crossword clue. If that's what you saw, the answer is often uncoil (6 letters).
Definitions
cause to feel relaxed
Word origin
From Middle English unwinden, from Old English unwindan (“to unwind; unwrap”), from Proto-Germanic *andawindaną (“to unwind”); equivalent to un- + wind (“to coil”). Cognate with Dutch ontwinden (“to unwind”).
Used in a sentence
“to unwind a ball of yarn”
“Could you unwind about a foot of ribbon so I can finish the package?”
“[…]but being not so skilful as in every point to unwind themselves where the snares of glossing speech do lie to entangle them,[…]”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer1 curated clues
01“Relax after stress”6 letters
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