1 movement in a car VERB + U-TURN do, execute, make
2 sudden change of plan
ADJ. complete | dramatic, spectacular | embarrassing, humiliating | government, policy VERB + U-TURN do, execute, make, perform The government has made a spectacular U-turn on taxes.
PREP. ~ on a U-turn on education policy | ~ over a government U-turn over plans to cut social security payments