adv. (old).—At the end of one’s tether. Also AT POINT NONPLUS.
1708–10. SWIFT, Polite Conversation, ii. Faith, Tom is NONPLUST; he looks plaguily down in the mouth.
1821. P. EGAN, Life in London, II. i. 147. Remember that he is not yet out of Pupil’s Straits, and must not, as you say, be blown up at POINT NONPLUS.
