Longman Dictionary of Contemporary English homepage

Language: Old English
Origin: wierresta, wyrsta

worst

1 adjective
     
worst1 [the superlative of bad]
1 [only before noun] worse than anything or anyone else [↪ best]:
This is the worst recession for fifty years.
My worst fear was that we would run out of food.
What is the worst possible thing that can happen?
2

be your own worst enemy

to cause a lot of problems for yourself because of your own behaviour
3

come off worst

to lose a fight or argument
Definition from the Longman Dictionary of Contemporary English
Advanced Learner's Dictionary.

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