› a big and sudden change in a situation, price, opinion, etc.: Coffee futures once again staged a huge price swing with uncertainty over export controls.a swing into the red/black He also announced a swing into the black in the year to February.a swing towards/against sb/sth Evidence of the swing towards short-term temporary employment comes in a survey showing record demand for temporary staff.
in full swing › happening at the highest level of activity: The report confirms that the economic recovery is in full swing.
→ See also swing voter