1gun 
/ˈgʌn/ noun
plural guns /ˈgʌn/ noun [count] 1 : a weapon that shoots bullets or shells
▪ big/heavy guns ▪ He pulled/drew a gun on us. [=he took out a gun and pointed it at us] ▪ a loaded gun [=a gun that has bullets in it] ▪ fire/shoot a gun ▪ carry a gun ▪ a gun battle between gang members and the police ▪ She claimed that the gun went off accidentally. ▪ a toy gun — see also air gun, bb gun, handgun, machine gun, shotgun, stun gun, submachine gun 2 : starting gun 3 : a tool or device that looks like a gun
▪ a grease/spray/radar gun
▪ big/heavy guns ▪ He pulled/drew a gun on us. [=he took out a gun and pointed it at us] ▪ a loaded gun [=a gun that has bullets in it] ▪ fire/shoot a gun ▪ carry a gun ▪ a gun battle between gang members and the police ▪ She claimed that the gun went off accidentally. ▪ a toy gun — see also air gun, bb gun, handgun, machine gun, shotgun, stun gun, submachine gun
▪ a grease/spray/radar gun
go great guns
informal : to do something or proceed in a very quick, effective, and successful way
▪ The new program has been going great guns since it began last spring.
▪ The new program has been going great guns since it began last spring.
hold/put a gun to someone's head
: to force someone to do something by using threats
▪ You don't have to go if you don't want to. No one's holding a gun to your head.
▪ You don't have to go if you don't want to. No one's holding a gun to your head.
jump the gun
informal : to start or do something too soon
▪ Several racers jumped the gun. [=started to race before the starting gun was fired] ▪ The newspaper jumped the gun [=acted too soon] and announced the wrong candidate as winner of the election.
▪ Several racers jumped the gun. [=started to race before the starting gun was fired] ▪ The newspaper jumped the gun [=acted too soon] and announced the wrong candidate as winner of the election.
stick to your guns
: to continue to have a particular opinion, plan, etc., when other people criticize you and say that you are wrong
▪ Despite criticism from the press, the governor is sticking to her guns on this issue.
▪ Despite criticism from the press, the governor is sticking to her guns on this issue.
under the gun
chiefly US : in a situation in which you are getting a lot of criticism or pressure or in which you have only a short amount of time to do something
▪ We were under the gun to finish the project on time. ▪ Those responsible for the error suddenly found themselves under the gun.
▪ We were under the gun to finish the project on time. ▪ Those responsible for the error suddenly found themselves under the gun.
with (all/both) guns blazing
: while firing guns
▪ They stepped out from behind the building with guns blazing. — often used figuratively ▪ The team came out with all guns blazing in the second half. [=the team was playing very forcefully and well]
▪ They stepped out from behind the building with guns blazing. — often used figuratively ▪ The team came out with all guns blazing in the second half. [=the team was playing very forcefully and well]
