mejor
better
major
greater, more important
Mejor means better and sounds similar to the English word major0, which means greater or more important0. Think of 'mejor' as describing something that is 'major' or greater in quality.
adjective
  1. better
    Superior in quality or condition
    Este es el mejor restaurante de la ciudad. // This is the best restaurant in the city.
adverb
  1. better
    In a more excellent or effective way
    Ella habla español mejor que yo. // She speaks Spanish better than me.