ATTEMPT [I] › to attempt to do something: [+ to do sth] I tried to open the window but couldn't. Try not to drop anything this time. TEST [T] › to do, test, taste, etc something to discover if it works or if you like it: I tried that recipe you gave me last night. He tried the door, but the handle was broken. [+ doing sth] Why don't you try using a different shampoo? LAW [T] › to examine facts in a court of law to decide if someone is guilty of a crime: [often passive] He was tried for attempted murder.