unmistakably

UK: ˌʌnmɪˈsteɪkəbli | US: ˌʌnmɪˈsteɪkəbli

Definition
  1. adv. in a way that cannot be mistaken or misunderstood; clearly

Structure
un <not>mistake <error>ably <adverb suffix>
Etymology

The word "unmistakably" is built from three morphemes:

  1. "Un-" (Old English "un-"), a prefix meaning "not," negates the following root.
  2. "Mistake" (from Old Norse "mistaka," meaning "take in error"), serves as the core root, conveying the idea of an error or misunderstanding.
  3. "-ably" (from Latin "-abilis" via Old French "-able"), an adverbial suffix indicating capability or manner.
    The word evolved to describe something so clear or distinct that it cannot be misinterpreted, emphasizing certainty.
Examples
  1. Her accent was unmistakably French.

  2. The signature on the document was unmistakably his.

  3. The scent of fresh bread was unmistakably coming from the bakery.

  4. His tone was unmistakably sarcastic.

  5. The bird's call was unmistakably that of a nightingale.