to act in a particular way; to act correctly to send out signals by radio or television measurement of length, width, or height not clean working well; producing something without waste test of your knowledge or ability in something to make someone admire or respect another person or thing act or state of becoming infected with a disease involvement in a situation to prevent future problems the hard metal used to make steel (symbol Fe) a light, thin coat making a lot of noise very new and different from what is traditional at the usual time each day, week, or month a place where people go on holiday in a way that is almost the same as something or someone else something that feels pleasant and flat when you touch it; not rough a number that represents a piece of information happening after type of evildoing