noun - a continuous, soft, low, and fast spinning sound
verb - to make a continuous, soft, low, and fast spinning sound, or to move while making such a sound
verb, American English - to begin to feel more positive about someone or something, or to start liking them more
verb - to begin to feel more positive about someone or something, or to start liking them more
noun - a person who secretly gives the police information about criminals or crimes
noun - a small camera worn on a police officer's uniform to record what happens while they are on duty
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