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10-letter words starting with UNDEF

There are 3 ten-letter words starting with UNDEF in our dictionary. The most common are UNDEFEATED, UNDEFENDED and UNDEFORMED.

Every word here is exactly 10 letters long and begins with UNDEF. Handy when you know the first letters and the length, as in crosswords and Wordle-style puzzles.

10-letter words starting with UNDEF

  • undefeated15
  • undefended16
  • undeformed17

10-letter words starting with UNDEF…

Other lengths starting with UNDEF

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