betray-v; 3 Senses

Sense Number 1: fail, violate commitments

Examples:
He betrayed us in the past. How could we be loyal to him now?
She betrayed all her fans by lip-syncing.
Puppolo did more than betray marriage, he betrayed his voters.
Anna acknowledged that she had betrayed Antonio's secret.
If you deposit spyware on my computer when I visit your site, you've betrayed my trust.
My eyesight has betrayed me.

Mappings:
VerbNet: NP
FrameNet: NP
PropBank: betray.01
WordNet 3.0 Sense Numbers: 2, 3, 5, 6

Sense Number 2: reveal unintentionally

Examples:
Her smile betrayed her true feelings.
Thou hast betrayed thy secret as a bird betrays her nest,
by striving to conceal it. -H.W. Longfellow

Mappings:
VerbNet: NP
FrameNet: NP
PropBank: NM
WordNet 3.0 Sense Numbers: 1

Sense Number 3: be sexually unfaithful to

Examples:
She betrayed her husband with his best friend.

Mappings:
VerbNet: NP
FrameNet: NP
PropBank: NM
WordNet 3.0 Sense Numbers: 4