overreach

American Heritage® Dictionary of the English Language, Fourth Edition

1. v. To reach or extend over or beyond.
2. v. To miss by reaching too far or attempting too much: overreach a goal.
3. v. To defeat (oneself) by going too far or by doing or trying to gain too much.
4. v. To get the better of, especially by deceitful cleverness; outwit.
5. v. To reach or go too far.
6. v. To overreach oneself.
7. v. To outwit or cheat others.
8. v. To strike the front part of a hind foot against the rear or side part of a forefoot or foreleg on the same side of the body. Used of a horse.

Century Dictionary and Cyclopedia

1. To overtake.
2. To reach beyond in any direction; rise above; extend or go beyond.
3. To deceive by cunning, artifice, or sagacity; cheat; outwit.
4. To reach or stretch too far.
5. Synonyms To dupe, circumvent, cozen, gull, bamboozle, take in.
6. In the manège, to strike the toe of the hind foot against the heel or shoe of the fore foot: said of a horse.

Wiktionary

1. n. The act of striking the heel of the fore foot with the toe of the hind foot; -- said of horses.
2. n. The act of extending or reaching too far, overextension.
3. v. To reach above or beyond in any direction.
4. v. To deceive, or get the better of, by artifice or cunning; to outwit; to cheat.
5. v. To reach too far
6. v. To strike the toe of the hind foot against the heel or shoe of the forefoot; -- said of horses.
7. v. To sail on one tack farther than is necessary.
8. v. To cheat by cunning or deception.

GNU Webster's 1913

1. v. To reach above or beyond in any direction.
2. v. To deceive, or get the better of, by artifice or cunning; to outwit; to cheat.
3. v. To defeat one's own purpose by trying to do too much or by trying too hard or with excessive eagerness; -- used reflexively; .
4. v. To reach too far.
5. v. To strike the toe of the hind foot against the heel or shoe of the forefoot; -- said of horses.
6. v. (Naut.) To sail on one tack farther than is necessary.
7. v. To cheat by cunning or deception.
8. n. The act of striking the heel of the fore foot with the toe of the hind foot; -- said of horses.

WordNet 3.0

1. v. beat through cleverness and wit
2. v. fail by aiming too high or trying too hard