worst.
superlative form of bad: most bad
Meaning & usage
superlative form of bad: most bad Most inferior; doing the least good.
I think putting oil on a burn is the worst thing you can do.
superlative form of bad: most bad Most unfavorable.
That's the worst news I've had all day.
superlative form of bad: most bad Most harmful or severe.
The worst storm we had last winter knocked down our power lines.
superlative form of bad: most bad Used with the definite article and an implied noun: something that is worst.
None of these photographs of me are good, but this one is definitely the worst.
Where this word comes from
From Middle English worste, wurste, warste, werste, wirste, from Old English wierrest, from Proto-Germanic *wirsistaz, superlative form of *ubilaz (“bad, evil”); compare worse. Cognate with Old Saxon wirsista, wirrista (“worst”), Old High German wirst, wirsesto, wirsisto (“worst”), Danish værst (“worst”), Swedish värst (“worst”), Icelandic verstur (“worst”).
Something or someone that is the worst.
Where this word comes from
From Middle English worste, wurste, warste, werste, wirste, from Old English wierrest, from Proto-Germanic *wirsistaz, superlative form of *ubilaz (“bad, evil”); compare worse. Cognate with Old Saxon wirsista, wirrista (“worst”), Old High German wirst, wirsesto, wirsisto (“worst”), Danish værst (“worst”), Swedish värst (“worst”), Icelandic verstur (“worst”).
To make worse.
To grow worse; to deteriorate.
To outdo or defeat, especially in battle.
Where this word comes from
From Middle English worste, wurste, warste, werste, wirste, from Old English wierrest, from Proto-Germanic *wirsistaz, superlative form of *ubilaz (“bad, evil”); compare worse. Cognate with Old Saxon wirsista, wirrista (“worst”), Old High German wirst, wirsesto, wirsisto (“worst”), Danish værst (“worst”), Swedish värst (“worst”), Icelandic verstur (“worst”).
superlative form of badly: most badly; least well.
My sore leg hurts worst when it's cold and rainy.
This is the worst-written essay I've ever seen.
Where this word comes from
From Middle English worste, wurste, warste, werste, wirste, from Old English wierrest, from Proto-Germanic *wirsistaz, superlative form of *ubilaz (“bad, evil”); compare worse. Cognate with Old Saxon wirsista, wirrista (“worst”), Old High German wirst, wirsesto, wirsisto (“worst”), Danish værst (“worst”), Swedish värst (“worst”), Icelandic verstur (“worst”).
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.