mortal sinnoun [ C usually singular ]
uk/ˌmɔː.təl ˈsɪn/us/ˌmɔːr.t̬əl ˈsɪn/in the Roman Catholic religion, an action that is so bad that you will be punished for ever after your death if you do not ask God to forgive you
Thesaurus: synonyms and related words
Religious concepts: sin
- commit
- immortal
- original sin
- penance
- purification
- sin 1
- sinful
- sinner
- the seven deadly sins
- trespass
- venial