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better (EN)
adverb, noun, verb

This word can also be a form of:
good (adjective)
well (adverb, adjective)

adverb “better”

better (more/most)
  1. part of or shortening of "had better"
    You better clean your room before mom gets home.

noun “better”

singular better, plural betters
  1. someone who is superior in a specific aspect or overall
    In the chess tournament, she met her better and lost in the final round.

verb “better”

infinitive better; he betters; past tense bettered; past part. bettered; ger. bettering
  1. to make something superior to what it was; to improve
    He took night classes to better his understanding of finance.