Torontarian adjective 1noun 1forms 1 adjective1 •(rare) Torontonian: of, from, or pertaining to Toronto (the capital of Ontario, in Canada).I live in London, Ontario, so I hope it will be ticketmaster... if not, would anybody Torontarian be willing to buy some tickets for me? — 1998 noun1 •(rare) A Torontonian: a person from, or resident of, Toronto.Oh now I feel like a limited Torontarian […] — 2000 formsTorontarians