overreach

IPA: ˈoʊvɝritʃ

(also figuratively) An act of extending or reaching over, especially if too far or too much; overextension.
(equestrianism) Of a horse: an act of striking the heel of a forefoot with the toe of a hindfoot; an injury caused by this action.

(transitive, intransitive) To reach above or beyond, especially to an excessive degree.
(transitive, property law) To defeat or override a person's interest in property; (Britain, specifically) of a holder of the legal title of real property: by mortgaging or selling the legal title to a third party, to cause another person's equitable right in the property to be dissolved and to be replaced by an equitable right in the money received from the third party.
(transitive, intransitive, figuratively) To do something beyond an appropriate limit, or beyond one's ability.
(transitive, intransitive, reflexive, equestrianism) Of a horse: to strike the heel of a forefoot with the toe of a hindfoot.
(transitive, intransitive, now rare) To deceive, to swindle.
(intransitive, nautical) To sail on one tack farther than is necessary.
(transitive, archaic) To get the better of, especially by artifice or cunning; to outwit.

Examples of "overreach" in Sentences

The company's ambitious plans to expand overseas ultimately led to their downfall as they overreached and overextended themselves
The politician's attempt to pass controversial legislation was seen as an overreach of his authority, causing backlash from constituents
The athlete's attempt to win the race by pushing herself too hard ultimately resulted in an overreach that led to injury
The teacher's overreach in assigning a large amount of homework caused students to feel overwhelmed and stressed
The CEO's decision to overreach and make risky investments without consulting the board of directors ultimately led to financial ruin for the company