"betters" in the noun sense
1. better
something superior in quality or condition or effect
"a change for the better"
2. bettor, better, wagerer, punter
someone who bets
3. better
a superior person having claim to precedence
"the common man has been kept in his place by his betters"
4. better
the superior one of two alternatives
"chose the better of the two"
"betters" in the verb sense
1. better, break
surpass in excellence
"She bettered her own record"
"break a record"
2. better, improve, amend, ameliorate, meliorate
to make better
"The editor improved the manuscript with his changes"
3. better, improve, ameliorate, meliorate
get better
"The weather improved toward evening"
Source: WordNet® (An amazing lexical database of English)
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