1cinch 
/ˈsɪntʃ/ noun
plural cinch·es /ˈsɪntʃ/ noun 1 [singular] informal : something that is very easy to do
▪ This recipe is a cinch. ▪ This dish is a cinch to make. 2 [singular] chiefly US, informal — used to say that something will certainly happen or that someone will easily do something ▪ It's a cinch that he'll win the election. = He's a cinch to win the election. 3 [count] US : a strap that holds a saddle on a horse
▪ This recipe is a cinch. ▪ This dish is a cinch to make.
