Noun
The state or quality of being overextended; extension beyond normal, correct, or appropriate bounds or limits.
(linguistics) Application of a term to too many referents, as for example when a child uses cat to refer to all animals.
Source: en.wiktionary.orgThe two basic principles of the "Periclean Grand Strategy" were the rejection of appeasement (in accordance with which he urged the Athenians not to revoke the Megarian Decree) and the avoidance of overextension. Source: Internet
Single shoulder lock (overextension) The athlete is behind the opponent and has him leaning down, with the right knee of the opponent on the ground. Source: Internet
The Japanese public was aware of their country's unbroken string of military victories over the Russians, but was less aware of the precarious overextension of military and economic power these victories had required. Source: Internet