penetration
/pɛ.nɪˈtɹeɪ.ʃən/
Proposed by a contributor, not yet supported by evidence.
Also seen as: penetrations
Sense 1
Meaning · English
The act of penetrating something.
Noun
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Sense 2
Meaning · English
The insertion of the penis (or similar object) during sexual intercourse.
Noun
Examples
Any penetration, however slight, is sufficient to complete the offense.
Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Common questions
What does “penetration” mean?
The act of penetrating something.
Is “penetration” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.