Main entry: best
Definition: the supreme effort one can make
Usage: they did their best
Antonyms: worst
Definition: the weakest effort or poorest achievement one is capable of
Main entry: best
Definition: (superlative of `good') having the most positive qualities
Usage: the best film of the year; the best solution; the best time for planting; wore his best suit
Antonyms: worst
Definition: (superlative of `bad') most wanting in quality or value or condition
Antonyms: last
Definition: coming after all others in time or space or degree or being the only one remaining
Antonyms: second
Definition: a part or voice or instrument or orchestra section lower in pitch than or subordinate to the first
Main entry: best, better
Definition: (comparative and superlative of `well') wiser or more advantageous and hence advisable
Usage: it would be better to speak to him; the White House thought it best not to respond
Antonyms: unadvisable, inadvisable
Definition: not prudent or wise; not recommended