Oxford Dictionary English non-alphabetic adjectiveadjective BrE BrE//ˌnɒn ˌælfəˈbetɪk// ; NAmE NAmE//ˌnɑːn ˌælfəˈbetɪk// (also non-alphabetical) Add to my wordlistjump to other resultsnot being one of the letters of the alphabet compare alphabeticCheck pronunciation: non-alphabetic oxfordlearnersdictionaries.com