What is the meaning of Synne?

Obsolete spelling of sin.

Iniquity, sinfulness; immoral behaviour.

A sin; a religiously immoral action: Lewdness, promiscuity. A certain (specified) kind or class of sin.

Lewdness, promiscuity.

A certain (specified) kind or class of sin.

A wrong; e.g. a mistake or crime.

alternative form of sonne (“sun”)

alternative form of synnen (“to sin”)

inflection of synn: accusative/genitive/dative singular nominative/accusative plural

accusative/genitive/dative singular

nominative/accusative plural

Source: Wiktionary