nonalphabetic

adjective
non·​al·​pha·​bet·​ic | \ ˌnän-ˌal-fə-ˈbe-tik How to pronounce nonalphabetic (audio) \

Definition of nonalphabetic

: not of, relating to, or employing an alphabet or alphabetical order : not alphabetic a nonalphabetic system

First Known Use of nonalphabetic

1873, in the meaning defined above

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