› to change into something or make something change into something: turn sth into sth These machines can turn a computer design into a 3-D prototype in minutes. With some wise internet trading, he managed to turn $68,000 into $100,000 in three years.
› to change direction, or to make something change direction: The first quarter could see a further decline in retail customers, though executives said they were confident the trend will turn.turn negative/positive Sales are expected to turn positive in the first quarter of next year. turn higher/lower
turn sth on its head › to make something the opposite of what it was previously: The internet turned the world of flight booking on its head.
turn a profit › FINANCE to make a profit: The business was set up five years ago but is still struggling to turn a profit.
turn sth to your advantage › to find a way of getting something positive out of a bad situation: Experienced long-term investors can turn an economic downturn to their advantage.
turn your back on sth › to refuse to be involved in something that you were previously involved in: He said the country could not turn its back on globalization.