Definition of nonword in English:

nonword

Syllabification: non·word
Pronunciation: /ˈnänˌwərd
 
/

noun

A group of letters or speech sounds that looks or sounds like a word but is not accepted as such by native speakers.
More example sentences
  • The task was simply to indicate if the last word was a word or a non-word.
  • About half the letter strings constitute valid words, which are randomly interspersed with non-words.
  • And who was the P.T. Barnum-like genius who fused the word Confederate with the non-word rama?

Definition of nonword in: