OVERMAN
O"ver*man, n.; pl. -men.

1. One in authority over others; a chief; usually, an overseer or boss.

2. An arbiter.

3. In the philosophy of Nietzsche, a man of superior physique and powers capable of dominating others; one fitted to survive in an egoistic struggle for the mastery.

OVERMANNER
O"ver*man`ner, adv.

Defn: In an excessive manner; excessively. [Obs.] Wiclif.

OVERMARCH
O`ver*march", v. t. & i.

Defn: To march too far, or too much; to exhaust by marching. Baker.

OVERMAST
O`ver*mast", v. t. (Naut.)

Defn: To furnish (a vessel) with too long or too heavy a mast or masts.