An entity, usually animate, deemed superior to another; one who has a claim to precedence; a superior.

Alternative spelling of bettor

(modal, auxiliary verb, colloquial) Had better.

(transitive) To improve.

(intransitive) To become better; to improve.

(transitive) To surpass in excellence; to exceed; to excel.

(transitive) To give advantage to; to support; to advance the interest of.

comparative degree of good

comparative degree of well

Greater in amount or quantity

Greater or lesser (whichever is seen as more advantageous), in reference to value, distance, time, etc.

comparative degree of well

(colloquial shortening) (Can we clean up(+) this sense?) Had better.