We found one dictionary that defines the word archsin:

General (1 matching dictionary)

1. archsin: Wiktionary

Definitions from Wiktionary (archsin) ▸ noun:  A chief or primary sin. ▸ Words similar to archsin ▸ Usage examples for archsin ▸ Idioms related to archsin ▸ Wikipedia articles (New!) ▸ Popular adjectives describing archsin ▸ Words that often appear near archsin ▸ Rhymes of archsin ▸ Invented words related to archsin