Worst and best are each other's antonyms.
An antonym for the word 'worst' is 'best'.
worst
Worst
Probably "best friend".
The best antonym for pessimism is optimism.
Best of the Worst was created in 1991.
A possible, not necessarily the best antonym for conclave is disassemble. Hope this helps
Most.
harmless
professional
Celebrate
test