出典:Wiktionary
From Middle English synful, senful, sunful, from 古期英語 synful (“sinful, guilty, wicked, corrupt”), equivalent to sin + -ful. Compare Dutch zondevol (“sinful”), German sündevoll (“sinful”), Danish syndefuld (“sinful”), Swedish syndfull (“sinful”), Icelandic syndfullur (“sinful”).
sinful (comparative more sinful, superlative most sinful)