Peter was puzzled, and scratched his ear like a man at a nonplus.
They were put to a nonplus, and summoned the Devil to their relief.
The inquiring mind is at a nonplus, and is likely to remain so.
This reply seemed to nonplus us all with the exception of Maitland and Godin.
Wingate was now at a nonplus, and “could not well tell what to say.”
Phonny was put quite to ...