ブラウザの設定でJava Scriptの使用を有効にしてご利用ください。
出典:Wiktionary
swinge + -ing. Swinge is derived from Middle English swengen (“to strike”), from 古期英語 swengan (“to dash, strike; to cause to swing”).
swingeing (comparative more swingeing, superlative most swingeing)
swingeing