nonplused

adj

1. (form-of, rare)Rare form of nonplussed.

   “So he left Brace Thurlow standing as he half carried the man inside and sat him down in his office chair. I looked back over my shoulder. Brace looked sort of nonplused.”

   “But Mr. Cooper's remark, though pointed, was not far removed from the nonplused reactions of his fellow network stars, who seemed to channel a level of genuine shock rare even in the chaotic Trump era.”

verb

1. (form-of, participle, past)simple past and past participle of nonplus