unprintable

[ uhn-prin-tuh-buh l ]

/ ʌnˈprɪn tə bəl /

improper or unfit for print, especially because of obscenity or offensiveness.

Origin of unprintable

First recorded in 1855–60; un-¹ + printable

un·print·a·ble·ness, noun un·print·a·bly, adverb

Why—(unprintable language)—if ever I see sech a blanky lot o' mugs in my life!

Punch, or the London Charivari, Vol. 102, April 9th, 1892 |Various
Gathering himself up stiffly, Isaac stood, whimpering, before her; his whining interspersed with unprintable invective.

The Tale of Timber Town |Alfred Grace
When he gave voice to the unprintable remark above he was through.

Tripping with the Tucker Twins |Nell Speed
Well, if she's of such high station, why is she such an (unprintable)?

Court Beauties of Old Whitehall |W. R. H. Trowbridge

They are so abominable that details are unprintable in clean newspapers.

The Soul of Susan Yellam |Horace Annesley Vachell

unprintable

/ (ʌnˈprɪntəbəl) /

unsuitable for printing for reasons of obscenity, libel, bad taste, etc

unprintableness, noun unprintably, adverb