English

Verb

non-plus ‎(third-person singular simple present non-plusses, present participle non-plussing, simple past and past participle non-plussed)

1. Alternative spelling of nonplus

Noun

non-plus ‎(plural non-plusses)

1. Alternative spelling of nonplus
   • 1841, William Rhind, A history of the vegetable kingdom (page 237)

     Being now much better able to make their queries of the secrets of that mystery, by how much their often failings had put them often to stops and non-plusses in the work […]