- To deliver into the hands of an enemy by treachery or
fraud, in violation of trust; to give up treacherously or faithlessly;
as, an officer betrayed the city. - To prove faithless or treacherous to, as to a trust or
one who trusts; to be false to; to deceive; as, to betray a person or a
cause. - To violate the confidence of, by disclosing a secret, or
that which one is bound in honor not to make known. - To disclose or discover, as something which prudence
would conceal; to reveal unintentionally. - To mislead; to expose to inconvenience not foreseen to
lead into error or sin. - To lead astray, as a maiden; to seduce (as under promise
of marriage) and then abandon. - To show or to indicate; -- said of what is not obvious
at first, or would otherwise be concealed.
Meaning of 'betray' (Princeton's WordNet)
1 . betray
[ v]
Meaning (1): - give away information about somebody
Example in sentence:
He told on his classmate who had cheated on the exam
Meaning (2): - reveal unintentionally
Example in sentence:
Her smile betrayed her true feelings
Meaning (3): - disappoint, prove undependable to; abandon, forsake
Example in sentence:
His children failed him in the crisis;
His sense of smell failed him this time;
His strength finally failed him
Meaning (4): - deliver to an enemy by treachery
Example in sentence:
Judas sold Jesus;
The spy betrayed his country
Meaning (5): - be sexually unfaithful to one's partner in marriage
Example in sentence:
Might her husband be wandering?;
She cheats on her husband
Meaning (6): - cause someone to believe an untruth
Example in sentence:
The insurance company deceived me when they told me they were covering my house