SuaviloquyToday’s word

sinful

Sinful, a.

Etymology: [AAS. synfull.]

Tainted with, or full of, sin; wicked; iniquitous; criminal; unholy; as, sinful men; sinful thoughts. Piers Plowman. Ah sinful nation, a people laden with iniquity. Isa. i. 4. -- Sin"ful*ly, adv. -- Sin"ful*ness, n.

Shades of meaning

Fernald has no entry of its own for sinful; he lists it under criminal.

Where he writes about it:

Ingratitude is sinful, hypocrisy is wicked, but neither is punishable by human law; hence, neither is criminal or illegal. — from criminal

Synonyms

criminalabominableculpablefeloniousflagitiousguiltyillegalimmoraliniquitousnefariousunlawfulviciousvilewickedwrong

Antonyms

innocentjustlawfullegalmeritoriousmoralrightvirtuous

etymologyWebster’s online