From WordNet (r) 3.0 (2006):
better
adv 1: 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"; "a deed
better left undone"; "better suited to the job"
2: from a position of superiority or authority; "father knows
best"; "I know better." [syn: better, best]
adj 1: (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"; "a
better coat"; "a better type of car"; "a suit with a
better fit"; "a better chance of success"; "produced a
better mousetrap"; "she's better in math than in history"
[ant: worse]
2: (comparative of `good') changed for the better in health or
fitness; "her health is better now"; "I feel better" [ant:
worse, worsened]
3: (comparative and superlative of `well') wiser or more
advantageous and hence advisable; "it would be better to
speak to him"; "the White House thought it best not to
respond" [syn: better(p), best(p)]
4: more than half; "argued for the better part of an hour"
n 1: something superior in quality or condition or effect; "a
change for the better"
2: someone who bets [syn: bettor, better, wagerer,
punter]
3: a superior person having claim to precedence; "the common man
has been kept in his place by his betters"
4: the superior one of two alternatives; "chose the better of
the two"
v 1: surpass in excellence; "She bettered her own record";
"break a record" [syn: better, break]
2: to make better; "The editor improved the manuscript with his
changes" [syn: better, improve, amend, ameliorate,
meliorate] [ant: aggravate, exacerbate, exasperate,
worsen]
3: get better; "The weather improved toward evening" [syn:
better, improve, ameliorate, meliorate] [ant:
decline, worsen]