Adjective
dead last (not comparable)
(idiomatic) Finishing in last place in a competition or ranking, often by a considerable margin to the next-to-last-place finisher or after an exceptionally poor showing or season.
That high-school football team only scored 18 points all year! No wonder they were dead last in the league.
Of the 22 industrialized nations of the world, we're dead last in per capita giving to poor people. Tony Campolo