Keyhole
Definition 1 of 3
Pro Tip 1/3
Privacy Intrusion
Looking through a keyhole can imply invading someone's privacy or spying. He felt guilty for peeping through the keyhole at the private gathering.
Pro Tip 2/3
Metaphor for Mystery
The keyhole can symbolize a gateway to something unknown or mysterious. This diary is a keyhole to her innermost thoughts.
Pro Tip 3/3
Slang Usage
In some contexts, 'keyhole' can be used as slang to mean an opportunity or chance. He saw the job opening as a keyhole into the industry.