nonplus

/nษ’nหˆplสŒs/

IPA: /N AA0 N P L AH1 S/

noun
  1. 1

    A state of perplexity or bewilderment.

verb
  1. 1

    To perplex or bewilder someone; to confound or flummox

Source: https://en.wiktionary.org/wiki/nonplus