Nonplus

//nɒnˈplʌs// noun, verb

Definitions

Noun
  1. 1
    A state of bewilderment or perplexity. obsolete

    "[A]ltering Vaudemont, to Vallemontanus, and metamorphoſing them, by ſuting them to the Græcian or Latin tongue, we know not what to make of them, and are often at a non-plus."

Verb
  1. 1
    To bewilder or perplex (someone); to confound, to flummox. transitive

    "You couldn’t have told it from my manner, but I was feeling more than a bit nonplussed. The spectacle before me was enough to nonplus anyone."

  2. 2
    be a mystery or bewildering to wordnet

Etymology

Etymology 1

The noun is derived from Latin nōn plūs (“no further, no more”), from nōn (“not”) + plūs (“additionally, more; further”) (ultimately from Proto-Indo-European *pleh₁- (“to fill”)). The verb is derived from the noun.

Etymology 2

The noun is derived from Latin nōn plūs (“no further, no more”), from nōn (“not”) + plūs (“additionally, more; further”) (ultimately from Proto-Indo-European *pleh₁- (“to fill”)). The verb is derived from the noun.

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