adjective - connected with scientific methods used by the police to solve crimes, such as studying fingerprints or DNA
verb - to secretly tell someone important information, usually to warn them or help the police
noun - the act of making sure that laws and rules are obeyed
noun - the police and other people whose job is to make sure that laws are followed and to protect the public
noun - a special police tool placed on the road to stop a car by making its tires lose air
verb, informal - to become upset, to become angry or unable to control one's temper
adjective, literary - causing harm, destruction, or serious damage; deadly or ruinous
noun - something that causes great distress, trouble, or annoyance; a source of harm or ruin
noun, British English - the time after which television programmes with adult content may be broadcast (9 p.m. in Britain)
noun - an important turning point or event marking a major change in history, a situation, or someone’s life
noun, technical - an area of land that separates waters flowing to different rivers, basins, or seas
verb - to choose not to demand or enforce something, such as a right, rule, or fee