cinch

Universal Words noun, verb noun [sing.] (informal) 1 something that is very easy: The first question is a cinch. 2 (especially AmE) a thing that is certain to happen; a person who is certain to do sth: He's a cinch to win the race. verb [VN] 1 (especially AmE) to fasten sth tightly around your waist; to be fastened around sb's waist 2 (AmE) to fasten a GIRTH around a horse 3 (AmE, informal) to make sth certain