undeterred

U1N1D2E1T1E1R1R1E1D2

adjective

Not deterred or put off; undiscouraged.

UncommonScrabble 12

Meanings

adjectiveundeterred (comparative more undeterred, superlative most undeterred)

comparative more undeterred · superlative most undeterred

  1. Not deterred or put off; undiscouraged.

    Undeterred, TfL wants to extend the Elizabeth line to Heathrow Airport, both the north and south from Langley and Staines, and also from the present southeastern limit of Abbey Wood to Ebbsfleet.

    2024 April 3, Howard Johnston, “TfL is overflowing with ideas... but is short of the capital”, in RAIL, number 1006, page 31

Synonyms & antonyms

adjectivenot deterred

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Proto-Indo-European*né
  2. Proto-Indo-European*n̥-
  3. Proto-Germanic*un-
  4. Proto-West Germanic*un-
  5. Old Englishun-
  6. Middle Englishun-
  7. Englishun-
  8. Englishdeterred
  9. Englishundeterred

From un- + deterred.

Full word history & related roots →

Translations

Bulgarian невъзпрян
  • невъзпрян (nevăzprjan)undiscouraged
German unentmutigt, unbeirrt
  • unentmutigtundiscouraged
  • unbeirrtundiscouraged
  • unverzagtundiscouraged
Italian imperterrito
  • imperterritoundiscouraged
Polish niezłomny, niezrażony
  • niezłomnyundiscouraged
  • niezrażonyundiscouraged
Spanish no disuadido, indeterrido
  • no disuadidoundiscouraged
  • indeterridoundiscouraged
  • poco desalentadoundiscouraged
  • impertérritoundiscouraged
  • impasibleundiscouraged
Cite this entry
APA

undeterred. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/undeterred

MLA

“undeterred.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/undeterred. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “undeterred,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/undeterred.

Source: undeterred on Wiktionary, CC BY-SA 4.0.