shoo-in

[ shoo-in ]
/ ˈʃuˌɪn /

noun Informal.

a candidate, competitor, etc., regarded as certain to win.

Origin of shoo-in

1945–50, Americanism; noun use of verb phrase shoo in

British Dictionary definitions for shoo in

shoo-in

noun

a person or thing that is certain to win or succeed
a match or contest that is easy to win