This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

adj. Having the apex cut off and replaced by a plane, especially one parallel to the base. Used of a cone or pyramid.

adj. Lacking one or more syllables, especially in the final foot; catalectic.

adj. Lacking an initial or final syllable. Used of a line of verse.

adj. Truncate.

v. Simple past tense and past participle of truncate.

adj. Cut off; cut short; maimed.

adj. Replaced, or cut off, by a plane, especially when equally inclined to the adjoining faces.

adj. Lacking the apex; -- said of certain spiral shells in which the apex naturally drops off.

adj. cut short in duration

adj. terminating abruptly by having or as if having an end or point cut off

"He took the stage shortly after 1 a.m. and lingered for a meager 25 minutes, delivering his lovelorn songs in truncated forms that didn't give the singer or his smitten fans much of a opportunity to get comfortable."

short    truncated pyramid   

maimed   

truncate