The phrase "considerable margin" means a large or significant difference between two things, usually in terms of amount, degree, or distance. Full definition
So far, bettors have moved both of their odds by considerable margins. (sportsinsights.com)
Unlike Wisconsin or Ohio, Connecticut is a Democratic - tilting state and Malloy enjoys considerable margins in both the state House and state Senate. (voices.washingtonpost.com)
Its size is made up for in its thinness, however, coming in slimmer than the above - mentioned group by an often considerable margin. (mobilesyrup.com)