0 surprised, confused, and not certain how to react: --
I was completely nonplussed by his reply.
1 surprised, confused, and not certain how to react: --
The aggressive questioning at the job interview left her nonplussed.
His aunt is a little nonplussed, but is soon persuaded everything is alright.
He offers her three wishes and is nonplussed when she refuses them: she's read all the stories of wishes gone bad.
As a result, the shogunate representatives quickly grew impatient and nonplussed, and rejected the negotiations outright.
Operagoers were nonplussed by the absence of big traditional arias and choruses.
I was completely nonplussed by that.
Well, they look at you rather nonplussed.
I am nonplussed by those remarks.
He appeared to be surprised, even nonplussed.