Help the opposition wager tiny amount (6), 6 letters
Leave in time of need, 6 letters
Reveal unconsciously, 6 letters
Violate, as a trust, 6 letters
Word in MoveOn.org's full-page New York Times ad of 10 Sept '07, 6 letters
Act of aiding an enemy, 8 letters
The quality of aiding an enemy, 8 letters
Deceive Grammy-winning singer / pianist?, 13 letters
Judas Iscariot, for one, 8 letters
One who reveals confidential information in return for money, 8 letters
A person who says one thing and does another, 8 letters
Double-cross a fast-food pioneer?, 10 letters
Sells down the river, 7 letters
Double-cross Old MacDonald?, 13 letters
Sell out, as Old MacDonald?, 13 letters
Arrange for the marriage of, 7 letters
Give to in marriage, 7 letters
Promise in marriage, 7 letters
Mutual promise to marry, 9 letters
A mutual promise to marry, 9 letters
The act of becoming betrothed or engaged, 9 letters
Pledged to be married, 9 letters
Give to, in marriage, 9 letters
The person to whom you are engaged, 9 letters
Gets engaged to, old-style, 8 letters
___ to Your School (Beach Boys tune), 6 letters
To thine own self ___, 6 letters