If the worst possible alternative happens.

The quality or state of being the worst.

A surname from German.

Alternative form of at worst

plural of Worst

Most inferior; doing the least good. / Most unfavorable. / Most harmful or severe. / Used with the definite article and an implied noun: something that is worst. / superlative form of ill: most ill

Something or someone that is the worst.

superlative form of badly: most badly / superlative form of ill: most ill

(archaic, transitive) To make worse. / (dated, intransitive) To grow worse; to deteriorate. / (rare) To outdo or defeat, especially in battle.

(textiles) Yarn made from long strands of wool. / The fine, smooth fabric made from such wool yarn.