better

adj

1. (comparative, form-of)comparative degree of good and well

   “How are you? ~ A little better, thanks.”

   “Badger: You think you're better than other people. Mal: Just the ones I'm better than.”

2. Greater in amount or quantity

   ““The air was still with the lonely thrill of 'now the hour is near' And the smell of sweat was better yet than the awful stench of fear.””

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

   “The top electric vehicles have a range of 300 kilometres or better.”

   “Only one swimmer finished the race with a time better than two minutes.”

4. Healed or recovered from an injury or illness.

   “We can't go to the zoo today because you're sick; let's go when you're all better.”

adv

1. (comparative, form-of)comparative form of well: more well

   “The engine runs better now that I've given it some oil.”

   “I could never better stead thee than now.[…]”

   ““I’ve had enough of cycling with you chaps. I can spend my Sundays better than in tormenting cats and quarrelling and fighting.””

noun

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

   “He quickly found Ali his better in the ring.”

   “Their betters would hardly be found.”

2. (alt-of, alternative)Alternative spelling of bettor.

verb

1. (auxiliary, colloquial, modal)Had better.

   “It's getting late. You better get on home.”

   “Nobody better hurt any of my kids.”

   “Nothing better've happened to the guitar I lent you!”

2. (transitive)To improve.

   “This government will better our society.”

   “Love betters what is best.”

   “He thought to better his circumstances.”

   “the constant effort of every man to better himself”

3. (intransitive)To become better; to improve.
4. (transitive)To surpass in excellence; to exceed; to excel.

   “The works of nature do always aim at that which can not be bettered.”

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

   “Weapons more violent, when next we meet, / May serve to better us and worse our foes.”