noo /nuː/adverb 1/nəʊ(ː)/ exclamation 1 adverb1 •(dialect, Scotland) Now. noo /nəʊ(ː)/ exclamation1 •Elongated form of no.“What, is that Bill?” says she. “Noo, that ain’t,” says he, and he twirled his tail. — 1890