Synonyms of inflexible in English:

inflexible

adjective

  • 1 his inflexible attitude
    hidebound, single-minded, pigheaded, mulish, uncompromising, adamant, firm, resolute, diehard, dyed-in-the-wool
    formal refractory
    [Antonyms] accommodating, flexible
  • 2 inflexible rules
    firm, fixed, set, established, entrenched, hard and fast, carved in stone;
    stringent, strict, hardline, ironclad
    [Antonyms] flexible
  • 3 inflexible plastic
    [Antonyms] pliable, flexible
  • Definition of inflexible in:

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    Word of the day demoralize
    Pronunciation: dɪˈmɒrəlʌɪz
    verb
    cause (someone) to lose confidence or hope