1832 F. A. Butler 18 Oct. (1835) I. 207 If the gentlemen proprietors..would rain this very poisonous-looking repository for bull frogs.
1907 W. D. Howells (1910) 216 Poisonous-looking sorts [of fungi].
1993 C. Storm (BNC) 211 The trees thinned to reveal what once might have been a clearing but which now resembled only a poisonous-looking wilderness.