IPA: //ˈvæŋkwɪʃ//
KK: /ˈvæŋkwɪʃ/
To defeat someone or something completely in a fight or competition.
The hero was able to vanquish the villain and save the city.
Past: vanquished
Past Participle: vanquished
Vanquish → It is formed from "vincere" (meaning to conquer) and the prefix "vanqu-" (from Latin "vincere"). The word means to completely conquer or defeat someone or something.
Think of 'conquering' ('vincere') something completely — that's why vanquish means to defeat decisively.