best is one of the 1000 most common headwords.
benefit - best - bet

Pronunciation change

Adjective change

Positive
good

Comparative
better

Superlative
best

  1. The superlative form of good; most good.
    William is the best football player on our team.
    You are the best.
    It's best if you go now.

Adverb change

Positive
well

Comparative
better

Superlative
best

  1. The superlative form of well; most well.
    I'm feeling the best that I have in a while.

Noun change

Singular
best

Plural
none

  1. (uncountable) The greatest effort that one can make.
    I did my best.

Verb change

Plain form
best

Third-person singular
bests

Past tense
bested

Past participle
bested

Present participle
besting

  1. (transitive) To do better, especially in a competition.
    I bested my high score on the game.