Synonyms of the word

pessimal

• adj. bad to a maximal extent; worst.

pessimum

• n. A worst or lowest point.

worst

• adj. superlative form of bad: most bad.
• n. something or someone that is the worst.
• adv. In the worst way: most badly, most ill.
• v. (archaic, transitive) To make worse.
• v. (dated, intransitive) To grow worse; to deteriorate.
• v. (rare) To outdo or defeat, especially in battle.