impenetrable

adjective eem-peh-neh-TRAH-bleh Rare

Usage Note

Impenetrable is invariable in gender (same form for masculine and feminine) and is used both literally (a material or forest that cannot be entered) and figuratively (an expression or person that reveals nothing: una mirada impenetrable). The word is a near-cognate of English 'impenetrable' and carries no false-friend risk.

Examples

"El bosque era impenetrable en esa zona."

Natural Translation

The forest was impenetrable in that area.

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