English Reference
adjective

sinful

adj.
US /ˈsɪnfəɫ/ UK /sˈɪnfəl/ sin·ful

  1. 01 B2 Upper Intermediate Religion

    describing an action that is considered very bad or evil because it breaks religious or moral rules.

    constituting a sin; morally reprehensible or in violation of religious law.

    Simple

    In many cultures, lying to your parents is considered a sinful act.

    In context

    The preacher spoke at length about the sinful nature of greed and its destructive impact on the community.

  2. 02 C1 Advanced Formal Religion

    describing a person who has done something wrong according to their religion.

    having committed a sin; in a state of moral or spiritual guilt.

    Simple

    The man felt sinful after he realized he had treated his neighbors poorly.

    In context

    The protagonist spent the rest of the novel trying to redeem his sinful past through acts of charity.

    guiltyerring
  3. 03 B2 Upper Intermediate InformalHumorous Cooking

    describing something, usually food, that is so rich and tasty that you feel a little guilty for enjoying it.

    highly indulgent or decadent; typically used to describe rich foods that are high in calories or luxury.

    Simple

    That triple-chocolate cake was absolutely sinful.

    In context

    The dessert menu featured a sinful array of pastries, each more buttery and sugar-laden than the last.


From Middle English synful, senful, sunful, from Old English 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”).

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Origin Old English synful
Level B2 · Upper Intermediate
Frequency Frequent
Updated