Word.ws English Dictionary

Synonyms of nonplussed

96 similar words · 1 opposite word

Another word for nonplussed is flustered. Other synonyms of nonplussed are befuddled, flummoxed, puzzled, bewildered and muddled.

Synonyms and similar words for nonplussed

adjectiveUnsure how to act or respond; bewildered, perplexed.

adjectiveUnaffected, unfazed; unimpressed.

  • blaséUnimpressed, indifferent, especially because of overfamiliarity.
  • jadedBored or lacking enthusiasm, typically after having been overexposed to, or having consumed too much of something.
  • adiaphroistic
  • apathetic
  • apathisticalApathetic; unemotional.
  • blithe
  • deaf
  • cool
  • shiftless
  • dispassionateNot showing, and not affected by, emotion, bias, or prejudice.
  • dull
  • enervatedWeakened, debilitated or deprived of strength or vitality.
  • gallionic
  • halfheartedLacking full energy, effort, commitment, or resolve.
  • impassiveHaving, or revealing, no emotion.
  • ineffervescibleNot effervescible.
  • insouciantCasually unconcerned; carefree, indifferent, nonchalant.
  • indifferentAmbivalent; unconcerned; uninterested, apathetic.
  • insensibleIncapable of mental feeling; indifferent.
  • languidOf a person or their actions, character, etc.: lacking drive, emotion, or enthusiasm; apathetic, listless, spiritless...
  • languorousLacking energy, spirit, liveliness or vitality; languid, lackadaisical.
  • lethargicIndifferent, apathetic.
  • listlessLacking energy, enthusiasm, or liveliness.
  • lackadaisicalShowing no interest, vigor, determination, or enthusiasm.
  • lotophagousRelating to the Lotophagi (lotus eaters).
  • lukewarmUnenthusiastic (about a proposal or an idea).
  • mehApathetic; unenthusiastic.
  • mopeyGiven to moping; in a depressed condition, low in spirits; lackadaisical.
  • nonchalant
  • otioseOf a person, possessing a bored indolence.
  • phlegmaticNot easily excited to action or passion; calm; sluggish.
  • pococuranteApathetic, indifferent or nonchalant.
  • spiritlessLacking energy, drive, motivation or emotion. Enervated.
  • supineReluctant to take action due to indifference or moral weakness; apathetic or passive towards something.
  • tepidUninterested; exhibiting little passion or eagerness; lukewarm.
  • torpidLazy, lethargic or apathetic.
  • unarousedNot aroused.
  • uncaringCharacterized by a lack of care; not caring.
  • unconcernedIndifferent and having no interest; aloof.
  • unenthusiasticWithout enthusiasm; unexcited.
  • unimpressibleNot impressible; not sensitive; apathetic.
  • uninterestedNot interested; indifferent, not concerned.
  • unlivelyNot lively.
  • unmovedNot affected emotionally, or not showing emotion.
  • untouchedNot influenced, affected or swayed.
  • unzealousNot zealous.
  • world-wearyBored with life.
  • heartless rareListless, unenthusiastic.
  • Laodicean archaicHalf-hearted or apathetic, especially with regards to religion or politics.
  • torpedinous archaicStupefying; dull; torpid.

Opposite of nonplussed

adjectiveUnsure how to act or respond; bewildered, perplexed.

  • plussed informalCalm, collected and unconfused; not nonplussed (“bewildered, unsure how to react”).

Meaning of nonplussed

  1. adjective Unsure how to act or respond; bewildered, perplexed.
  2. adjective Unaffected, unfazed; unimpressed.

Full definition of nonplussed

nonplussed in other languages

Questions about synonyms of nonplussed

What is another word for nonplussed?
Nonplussed has 96 synonyms on Word.ws, such as flustered, befuddled, flummoxed, puzzled, bewildered, muddled, dumbfounded and jumbled.
What is the opposite of nonplussed?
The opposite of nonplussed is plussed.
What does nonplussed mean?
Nonplussed means unsure how to act or respond; bewildered, perplexed.

Source and license

Adapted from Wiktionary: nonplussed (page history and authors) and the entries of the words listed. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws grouped the synonyms and antonyms by meaning and added links. Wiktionary data of 2026-09-02.

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Cite this page: “Synonyms of nonplussed.” Word.ws, https://word.ws/synonyms/nonplussed. Based on Wiktionary, CC BY-SA 4.0.