unnarrow adjective 1verb 1forms 5 adjective1 •(rare) Not narrow.It is modest and unassuming and it celebrates the unnarrow life of a community dedicated to the quest for understanding. — 2001 verb1 •(rare) To make less narrow; to broaden or expand.And if you could see how happy I am you would unnarrow your eyes and be happy for me. — 2006 formsunnarrowed · unnarrowing · unnarrows · more unnarrow · most unnarrow