(in military combat) To indicate to an opposing force that one is surrendering. / (figuratively) To yield, give up, or quit.

(military, especially naval) To take down one's national or other representative flag in order to indicate surrender. / (idiomatic, by extension) To yield, give up, or surrender.

plural of red flag to a bull

Synonym of red rag to a bull

(law) Actual knowledge of copyright infringement, which may mean that an online service provider bears more liability for its users' actions than if it had no such knowledge.

(figuratively) to serve as a sign that something is not right and deserves closer attention

plural of red flag warning

(meteorology, US) A warning issued by the United States National Weather Service that conditions are ideal for wildfires.

(US) A gun control law permitting police or family members to petition a state court to order the temporary removal of firearms from a person who may present a danger to others or themselves.

plural of red flag law