the activity of operating something (a machine or business etc.); "her smooth operation of the vehicle gave us a surprisingly comfortable ride"
a planned activity involving many people performing various actions; "they organized a rescue operation"; "the biggest police operation in French history"; "running a restaurant is quite an operation"; "consolidate the companies various operations"
a process or series of acts especially of a practical or mechanical nature involved in a particular form of work; "the operations in building a house"; "certain machine tool operations"
a medical procedure involving an incision with instruments; performed to repair damage or arrest disease in a living body; "they will schedule the operation as soon as an operating room is available"; "he died while undergoing surgery"
activity by a military or naval force (as a maneuver or campaign); "it was a joint operation of the navy and air force"
a business especially one run on a large scale; "a large-scale farming operation"; "a multinational operation"; "they paid taxes on every stage of the operation"; "they had to consolidate their operations"
(computer science) data processing in which the result is completely specified by a rule (especially the processing that results from a single instruction); "it can perform millions of operations per second"
process or manner of functioning or operating; "the power of its engine determine its operation"; "the plane's operation in high winds"; "they compared the cooking performance of each oven"; "the jet's performance conformed to high standards"
the state of being in effect or being operative; "that rule is no longer in operation"
a conference between two or more people to consider a particular question; "frequent consultations with his lawyer"; "a consultation of several medical specialists"
a conference (usually with someone important); "he had a consultation with the judge"; "he requested an audience with the king"
a boxing or wrestling match; "the fight was on television last night"
the act of fighting; any contest or struggle; "a fight broke out at the hockey game"; "there was fighting in the streets"; "the unhappy couple got into a terrible scrap"
an intense verbal dispute; "a violent fight over the bill is expected in the Senate"
fight against or resist strongly; "The senator said he would oppose the bill"; "Don't fight it!"
make a strenuous or labored effort; "She struggled for years to survive without welfare"; "He fought for breath"
having the function of uniting a group of similar things; "the Democratic Party is an umbrella for many liberal groups"; "under the umbrella of capitalism"
a formation of military planes maintained over ground operations or targets; "an air umbrella over England"
a lightweight handheld collapsible canopy
covering or applying simultaneously to a number of similar items or elements or groups; "an umbrella organization"; "umbrella insurance coverage"
the activity or business of negotiating an agreement; coming to terms
a discussion intended to produce an agreement; "the buyout negotiation lasted several days"; "they disagreed but kept an open dialogue"; "talks between Israelis and Palestinians"
an open clash between two opposing groups (or individuals); "the harder the conflict the more glorious the triumph"--Thomas Paine; "police tried to control the battle between the pro- and anti-abortion mobs"
an incompatibility of dates or events; "he noticed a conflict in the dates of the two meetings"
opposition between two simultaneous but incompatible feelings; "he was immobilized by conflict and indecision"
opposition in a work of drama or fiction between characters or forces (especially an opposition that motivates the development of the plot); "this form of conflict is essential to Mann's writing"
a state of opposition between persons or ideas or interests; "his conflict of interest made him ineligible for the post"; "a conflict of loyalties"
go against, as of rules and laws; "He ran afoul of the law"; "This behavior conflicts with our rules"
maintain or assert; "He contended that Communism had no future"
be engaged in a fight; carry on a fight; "the tribesmen fought each other"; "Siblings are always fighting"; "Militant groups are contending for control of the country"