No1  adj. 1 not any (there is no excuse). 2 not a, quite other than (is no fool). 3 hardly any (did it in no time). 4 used elliptically in a notice etc., to forbid etc. The thing specified (no parking).  no way colloq. 1 it is impossible. 2 i will not agree etc. No wonder see *wonder. [related to *none]