imbrevious

(adj.) incapable of direct speech or succinctness as characterized by an inflated sense of intellect and or arrogant desire to hear the sound of one's own voice.

The keynote speaker was particularly imbrevious, and thusly, meeting attendees were delayed from lunch.

by DelRayRunner June 19, 2010

impervious

im-pur-vee-uhs
not permitting penetration or passage; impenetrable, incapable of being injured or impaired:

The coat is impervious to rain, wear, and tear.

by Dani W June 16, 2008

Impervious

When applied to girls: the quality of being unaware of - or otherwise unaffected by - blatant perving.

Gavin: (staring at Karen's breasts) Wow you have beautiful eyes.
Karen: Aw, you're so sweet.
Onlooker: Karen is totally impervious.

by PearlFly January 28, 2013

imperviousness to tanks

The inability to be killed or harmed by the means of a tank or other large war machine designed to destroy

Fred, having an imperviousness to tanks, simply walked infront of it.

by MrSam July 19, 2006