Adjective
non-plussed (comparative more non-plussed, superlative most non-plussed)
Alternative spelling of nonplussed
But 'Samilausanne' from Lausanne was distinctly non-plussed and just couldn't see what the fuss was about. Source: Internet
In promotion terms, may be making the bigger noise with Matchroom but Warren is non-plussed. Source: Internet
We want our sports back," Trump said, apparently non-plussed by the cost to the health of the combatants. Source: Internet