Nonchalant

//ˌnɑn.ʃəˈlɑnt// adj

adj ·Moderate ·High school level

Definitions

Adjective
  1. 1
    Casually calm and relaxed.

    "We handled the whole frenetic situation with a nonchalant attitude."

  2. 2
    Indifferent; unconcerned; behaving as if detached.

    "He is far too nonchalant about such a serious matter."

Adjective
  1. 1
    marked by blithe unconcern wordnet

Synonyms

All synonyms
insouciantcarefreealoofapatheticapatheticapathistical

Example

More examples

"Despite her nonchalant air, she is paying close attention to everything you say."

Etymology

Borrowed from French nonchalant, from Old French nonchaloir (“to be unconcerned”), from non- (“not”) + chaloir (“to have concern for”), from Latin non (“not”) + calēre (“to be warm”).

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.