1. unprintable - Noun
2. unprintable - Adjective
unfit for print because morally or legally objectionable or offensive to good taste
Source: WordNetIt is not a good symptom that hanging should still be the accepted form of capital punishment in this country. Hanging is a barbarous, inefficient way of killing anybody, and at least one fact about it-quite widely known, I believe-is so obscene as to be almost unprintable. George Orwell
What I actually want to call you is a hell of a lot more unprintable than your name. Cassandra Clare
Valentine!" "You mean father. I despise this modern habit of calling one's parents by their names." "What I want to call you is a hell of a lot more unprintable than your name." - Clary Fray and Valentine Morgenstern (City of Ashes) Cassandra Clare
an unprintable epithet Source: Internet
unprintable pictures Source: Internet