Displaying insight or discrimination; acute; penetrating.
That can or does physically penetrate something; piercing, penetrating.
That can penetrate opposition defences.
Pertaining to sexual activity involving penetration by the penis.
Appearing to look deeply into; penetrating.
Of sound, loud and sharp; shrill.
Of temperature, extremely cold so that it penetrates through clothing and shelter.
A hole made in the body so that jewellery can be worn through it.
An item of jewellery designed to be fitted through a piercing (sense 2).