To become better; to improve.
To surpass in excellence; to exceed; to excel.
To give advantage to; to support; to advance the interest of.
Had better.
To improve.
An entity, usually animate, deemed superior to another; one who has a claim to precedence; a superior.
Greater in amount or quantity
Greater or lesser (whichever is seen as more advantageous), in reference to value, distance, time, etc.
Had better.
To become worse; to get worse.
To make worse; to impair.