impenetrable
12 letters · adjective · scores 3,800 in SpellHuntr
adjective
not admitting of penetration or passage into or through
Impenetrable in a sentence
The fortress is impenetrable, so it cannot be taken.
Business jargon makes this document impenetrable—I can’t understand it.
impenetrable 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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