boo

¹boo

interj \ˈbü\

Definition of BOO

—used to express contempt or disapproval or to startle or frighten

Origin of BOO

Middle English bo

First Known Use: 15th century

Rhymes with BOO

blue, brew, chew, clew, clue, coo, coup, crew, cue, dew, do, doux, due, ewe, few, flu, flue, fou, glue, gnu, goo, hew, hue, Jew, Koo, lieu, loo, mew, moo, moue, mu, new, nu, ooh, pew, phew, pooh, q, queue, roux, rue, screw, shoe, shoo, shrew, Sioux, skew, slew, slough, slue, smew, sou, sous, spew, sprue, stew, strew, sue, Sue, thew, through, to, too, true, two, u, view, whew, who, woo, xu, yew, you, zoo