master

I. n.

1.

Ruler, director, governor, manager, superintendent, overseer, lord.

2.

Commander, captain.

3.

Teacher, instructor, tutor, preceptor, school-master, pedagogue.

4.

Owner, proprietor, holder, possessor.

5.

Proficient, adept, master-hand.

6.

Employer.

7.

Chief, principal, head, leader.

II. v. a.

1.

Overpower, overcome, conquer, subdue, subjugate, vanquish.

2.

Acquire, learn thoroughly, make one's self master of, become an adept in.

III. a.

Main, chief, leading, principal, cardinal, prime, especial, great, grand, most important.