go all out for something

go all out

To put forth the utmost amount of energy, effort, enthusiasm, and/or resources (toward some task or action). You'll be going against a state champion in the next match, so you'll have to go all out if you want to beat her! The company went all out for Sam's retirement party, making it a gala affair and sparing no expense.See also: all, go, out

go all ˈout for something

,

go all out to ˈdo something

(informal) make a very great effort to get or do something: We knew that only one of the firms would get the order for computers and so we went all out to get the contract. ♢ We must go all out to increase our membership.See also: all, go, out, something