Synonyms of unflappable in English:

unflappable

adjective

  • informal I prided myself on being unflappable even in the most chaotic circumstances
    [Antonyms] excitable
  • Definition of unflappable in:

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    Word of the day retroflex
    Pronunciation: ˈrɛtrə(ʊ)flɛks
    adjective
    turned backwards