Collocations for penetrate - verb

deep, deeply, far
caves penetrating deep into the hills

completely, fully
barely
The sunlight barely penetrated the inner room.

quickly
slowly
The news slowly penetrated his consciousness.

easily, readily
These so-called secret societies were easily penetrated by intelligence agents.

successfully

be able to, can
be difficult to
seem to
The cold seemed to penetrate his bones.

fail to
allow sth to
Cut two slashes on each side of the fish to allow heat to penetrate.

into
It is not yet known how deeply the radiation has penetrated into the soil.

through
The light could not penetrate through the thick curtains.

to
The dust had penetrated to all corners of the room.

Penetrate is used with these nouns as the subject:
bullet, daylight, moisture, ray, sunlight

Penetrate is used with these nouns as the object:
airspace, armour, darkness, defence, gloom, lung, market, mystery, shield, silence, skin, surface, vagina, veil