teal /tiːl/noun 3adjective 1forms 3 noun3 •Any of various small freshwater ducks of the genus Anas that are brightly coloured and have short necks. •A dark, somewhat bluish-green colour; a dark cyan. •[before a noun] (Australia) A teal independent.Ms Haines is a strong proponent of this, and many of the teal cross benchers support her approach to appointing a whistleblower protection commissioner. — 2022 adjective1 •Having a bluish-green colour. formsteals · more teal · most teal