overextending

/OW0 V ER0 IH0 K S T EH1 N D IH0 NG/
verb
  1. 1

    To expand or extend to an excessive degree, especially to do so beyond a safe limit.

  2. 2

    To apply (a term) to too many referents, by overextension.

  3. 3

    To push a pawn too far, so that it becomes vulnerable to the opponent's attacks.

Source: https://en.wiktionary.org/wiki/overextend, https://en.wiktionary.org/wiki/overextending