Englisch-Italienisch Übersetzung für nonce

The one or single occasion; the present reason or purpose (now only in ''for the nonce''
A nonce word
A value constructed so as to be unique to a particular message in a stream, in order to prevent replay attacks
one-off|One-off; produced or created for a single occasion or use.
A sex offender, ''especially'one who is guilty of sexual offences against children.
A police informer, one who betrays a criminal enterprise

That will do for the nonce, but well need a better answer for the long term.
I had thought that the term was a nonce, but it seems as if its been picked up by other authors.
1989 "assorted nonces, ponces and murderers, the worst men in the world [...] on the nonce wing, where the child-killers, molesters and various perverts have to be protected from the other prisoners." (New Statesman, New Society, Volume 2, Statesman & Nation Publishing Company Limited
Shut it, ya nonce!

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