adjective
superlative form of 1good or of 2well
better than all others in quality or value
most skillful, talented, or successful
most appropriate, useful, or helpful
best of all
The phrase best of all is often used to refer to the most important or appealing part of something that has many good parts.
next best
A person or thing that is next best is not as good as the best person or thing but is better than all others.
on your best behavior
If you are on your best behavior you are behaving very politely and well.
adverb
superlative form of 1well
in the best way :in a way that is better than all others
to the greatest degree or extent :most
as best you can
or the best (that) you can
as well, skillfully, or accurately as you can
had best
If you had best do something, you should do it.
noun
[singular] the best :the best person or thing
someone's or something's most effective, capable, or successful condition - used in phrases like at your best and at its best
the highest level that you can do or achieve
(all) for the best
having or producing a better result - used to say that something will have a good result even though it was not the intended result
(all) the best
If you wish someone (all) the best, you hope that person will be happy and successful.
at best
used to refer to a result, condition, etc., that is the best one possible even though it is not very good
best of luck
best (out) of three (five, seven, etc.)
used to say that the winner of a series of games will be the one who has won the most times after three (five, seven, etc.) games have been played;
bring out the best in
If someone or something brings out the best in you, that person or thing helps you to use or show your best qualities.
feel your best
to feel very healthy
get the best of
If an emotion or feeling gets the best of you, it causes you to do something that you should not do or that you are trying not to do.
know best
or know what's best
look your best
to look very good :to look as attractive and pleasant as possible
make the best of
to use (something) in an effective way
to deal with (a bad situation) as well as possible
the best is yet to come/be
used to say that good things have happened but that even better things will happen in the future
to the best of my knowledge
to the best of your ability
as well as you are able to
to the best of your belief
verb
bests; bested; besting
[+ obj] :to do better than (someone or something) :to defeat or outdo (someone or something)