Bet·ter v. t. [imp. & p. p. Bettered p. pr. & vb. n. Bettering.]
 1. To improve or ameliorate; to increase the good qualities of.
    Love betters what is best.   --Wordsworth.
    He thought to better his circumstances.   --Thackeray.
 2. To improve the condition of, morally, physically, financially, socially, or otherwise.
    The constant effort of every man to better himself.   --Macaulay.
 3. To surpass in excellence; to exceed; to excel.
    The works of nature do always aim at that which can not be bettered.   --Hooker.
 4. To give advantage to; to support; to advance the interest of. [Obs.]
 Weapons more violent, when next we meet,
 May serve to better us and worse our foes.   --Milton.
 Syn: -- To improve; meliorate; ameliorate; mend; amend; correct; emend; reform; advance; promote.