unbreathable
12 letters · adjective · scores 3,800 in SpellHuntr
adjective
Not suitable for breathing.
Unbreathable in a sentence
The atmosphere on Venus is an unbreathable mixture of carbon dioxide and sulphuric acid, amongst other things.
unbreathable is a valid word in SpellHuntr, worth 3,800 points (12 letters — longer words score more). Spell it in a live game →
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