the GNU version of the Collaborative International Dictionary of English
adj. Capable of being classified.
The Century Dictionary and Cyclopedia
Capable of being classified.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. capable of being classified
Word Usage
"As the alphabetic symbol for a rite of initiation into education in English, SAT may not be classifiable as a part of speech, but it is likely a harbinger of new kinds of speech evolving in Global English."