retrograde

mastery
UK /ˈɹɛtɹə(ʊ)ɡɹeɪd/ US /ˈɹɛtɹəˌɡɹeɪd/adjnounverbadv

card 1 of 8 · synonym

Which word is closest in meaning to 'retrograde' in this sentence?

The retrograde flow of traffic was caused by a wrong-way driver.