What is 2. 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. But when I rise, I shall find my legs betraying me. Johnson called?

betray — 2. 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. But when I rise, I shall find my legs betraying me. Johnson. (Webster's 1913.)

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