nonce UK /nɒns/US /nɑns/noun 7adjective 1forms 1phrases 1 noun7 •(UK, offensive) A sex offender, especially one who is guilty of sexual offences against children.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) •(slang) A pedophile.‘He's a nonce[. A] nonsense merchant, a paedophile[,’ Terry explained.] — 2004 •(slang, offensive) A stupid or worthless person.Shut it, ya nonce! •A value constructed so as to be unique to a particular message in a stream, in order to prevent replay attacks.The information gained by the eavesdropper would permit a replay attack, but only with a request for the same document, and even that may be limited by the server's choice of nonce. — 1999 •A nonce word.I had thought that the term was a nonce, but it seems as if it's been picked up by other authors. •(slang, offensive) A police informer, one who betrays a criminal enterprise •(no longer used) The one or single occasion; the present reason or purpose.That will do for the nonce, but we'll need a better answer for the long term. adjective1 •One-off; produced or created for a single occasion or use. Denoting something occurring once.But particular men are not stereotyped for jobs nor particular desks (as against others) to sit at - the standard here is nonce. — 1977 formsnonces Phrases with nonce for the nonceFor the time being, for now, with the expectation that the situation may change.