Definition of "Better" :

noun: something superior in quality or condition or effect

"A change for the better."

noun: the superior one of two alternatives

"Chose the better of the two."

noun: a superior person having claim to precedence

"The common man has been kept in his place by his betters."

noun: someone who bets

verb: get better

verb: to make better

verb: surpass in excellence

"She bettered her own record."

adjective: (comparative and superlative of well') wiser or more advantageous and hence advisable

"It would be better to speak to him."

adjective: (comparative of good') superior to another (of the same class or set or kind) in excellence or quality or desirability or suitability; more highly skilled than another

"You're a better man than I am, Gunga Din."

adjective: (comparative of good') changed for the better in health or fitness

"Her health is better now."

adjective: more than half

"Argued for the better part of an hour."

adverb: comparative of well'; in a better or more excellent manner or more advantageously or attractively or to a greater degree etc.

"She had never sung better."

adverb: from a position of superiority or authority

"I know better.."