IMPENETRABLENESS Antonyms

• without obstructions to passage or view

• characterized by an attitude of ready accessibility (especially about one's actions or purposes); without concealment; not secretive

• willingness or readiness to receive (especially impressions or ideas)

• the quality of being penetrable (by people or light or missiles etc.)

• admitting of penetration or passage into or through

• capable of being penetrated

• the property of something that can be pervaded by a liquid (as by osmosis or diffusion)

• permitting the free passage of electromagnetic radiation

• the quality of being clear and transparent

• picture consisting of a positive photograph or drawing on a transparent base; viewed with a projector

• the state of being vulnerable or exposed

• susceptibility to injury or attack