Meaning of BEST in English

BEST

I. ˈbest adjective, superlative of good

Etymology: Middle English, from Old English betst; akin to Old English bōt remedy — more at better

Date: before 12th century

1. : excelling all others

the best student

2. : most productive of good : offering or producing the greatest advantage, utility, or satisfaction

what is the best thing to do

3. : most , largest

it rained for the best part of their vacation

II. adverb, superlative of well

Date: before 12th century

1. : in the best way : to greatest advantage

some things are best left unsaid

2. : most

those best able will provide needed support

- as best

III. noun

( plural best )

Date: before 12th century

1. : the best state or part

2. : one that is best

the best falls short

3. : the greatest degree of good or excellence

4.

a. : one's maximum effort

do your best

b. : a best performance or achievement

ran a new personal best

5. : best clothes

Sunday best

- at best

IV. transitive verb

Date: 1863

: to get the better of : outdo

V. verbal auxiliary

Date: 1914

: had best

you best listen

Merriam-Webster's Collegiate English vocabulary.      Энциклопедический словарь английского языка Merriam Webster.