• off one's head, off one's nut, out of one's head, to be out of one's wits
• he went away without so much as saying good-bye
• to absolve, to acquit, to clear, to excuse, to exempt, to exonerate, to get off, to justify, to liberate, to quit, to quit, quit, to release, to succour
• acquitment, acquittal, acquittance, acquitting, deliverance, dispensation, release, relief