boss

a person who employs or superintends workers; manager.

Synonyms:

overseer, administrator, superintendent, chief, foreman, head, supervisor

a politician who controls the party organization, as in a particular district.

a person who makes decisions, exercises authority, dominates, etc..

My grandfather was the boss in his family.

(in a video game or role-playing game) a powerful nonplayer character, often appearing at the end of a level or at the end of the game, who must be defeated in order for a player to move on to a new level or to win the game (often used attributively): Your objective for this boss-level event is to survive several waves of zombie attacks.

Is there a trick to beating the final boss?

Your objective for this boss-level event is to survive several waves of zombie attacks.

to be master of or over; manage; direct; control.

to order about, especially in an arrogant manner.

to be boss.

to be too domineering and authoritative.

Botany, Zoology. a protuberance or roundish excrescence on the body or on some organ of an animal or plant.

Geology. a knoblike mass of rock, especially an outcrop of igneous or metamorphic rock.

an ornamental protuberance of metal, ivory, etc.; stud.

Architecture.

1. an ornamental, knoblike projection, as a carved keystone at the intersection of ogives.

2. a stone roughly formed and set in place for later carving.

Bookbinding. one of several pieces of brass or other metal inset into the cover of a book to protect the corners or edges or for decoration.

Machinery. a small projection on a casting or forging.

Nautical. a projecting part in a ship's hull, or in one frame of a hull, fitting around a propeller shaft.

a knob, stud, or other circular rounded protuberance, esp an ornamental one on a vault, a ceiling, or a shield

biology any of various protuberances or swellings in plants and animals

1. an area of increased thickness, usually cylindrical, that strengthens or provides room for a locating device on a shaft, hub of a wheel, etc

2. a similar projection around a hole in a casting or fabricated component

an exposed rounded mass of igneous or metamorphic rock, esp the uppermost part of an underlying batholith

a person in charge of or employing others

a professional politician who controls a party machine or political organization, often using devious or illegal methods

to employ, supervise, or be in charge of

to be domineering or overbearing towards (others)