An upturned collar is an otherwise flat, protruding collar of either a shirt, jacket, or coat that has been turned upward. In recent years, some have perceived this as a "fashion signal."
If there is an upturn in the economy or in a company or industry, it improves or becomes more successful. They do not expect an upturn in the economy until the end of the year There has been a modest upturn in most parts of the industry. downturn. an increase in the level of something, especially in business activity upturn in