1 operate | Definition of operate

operate

verb
op·​er·​ate | \ ˈä-pə-ˌrāt How to pronounce operate (audio) , ˈä-ˌprāt\
operated; operating

Definition of operate

intransitive verb

1 : to perform a function : exert power or influence factors operating against our success
2 : to produce an appropriate effect the drug operated quickly
3a : to perform an operation or a series of operations The refinery is planning to begin operating as soon as possible.
b : to perform surgery The surgeon has been operating all morning.
c : to carry on a military or naval action or mission The army will operate in conjunction with the air force.
4 : to follow a course of conduct that is often irregular crooked gamblers operating in the club

transitive verb

2a : to cause to function : work operate an automobile
b : to put or keep in operation operated a grocery store
3 : to perform an operation on especially : to perform surgery usually used with on operate on a patient operating on a brain tumor