I thought maybe you didn't understand the word, so:


Quote Originally Posted by Oxford Online
adjective

1 comparative of GOOD and WELL.
  1. of a more excellent or effective type or quality:hoping for better weather the new facilities were far better I’m better at algebra than Alice
  2. more appropriate, advantageous, or well advised:there couldn’t be a better time to start this job it might be better to borrow the money


2 [predic.] partly or fully recovered from illness, injury, or mental stress; less unwell:she’s much better today his leg was getting better we’ll feel a lot better after a decent night’s sleep

adverb

comparative of WELL.
  1. more excellently or effectively:Johnny could do better if he tried instruments are generally better made these days
  2. to a greater degree; more:I liked it better when we lived in the country you may find alternatives that suit you better
  3. more suitably, appropriately, or usefully:the money could be better spent on more urgent cases



noun

1 the better one; that which is better:the Natural History Museum book is by far the better of the two a change for the better

2 (one's betters) chiefly dated or humorous one’s superiors in social class or ability:amusing themselves by imitating their betters

verb
[with object]

  1. improve on or surpass (an existing or previous level or achievement):bettering his previous time by ten minutes
  2. make (something) better; improve:his ideas for bettering the working conditions
  3. (better oneself) achieve a better social position or status:the residents are mostly welfare mothers who have bettered themselves
  4. overcome or defeat (someone):she bettered him at archery