adjective, superl. of bad and ill.
  1. bad or ill in the highest, greatest, or most extreme degree: the worst person.
  2. most faulty, unsatisfactory, or objectionable: the worst paper submitted.
  3. most unfavorable or injurious.
  4. in the poorest condition: the worst house on the block.
  5. most unpleasant, unattractive, or disagreeable: the worst personality I've ever known.
  6. most lacking in skill; least skilled: the worst typist in the group.
  1. that which is worst.
  1. in the most evil, wicked, severe, or disadvantageous manner.
  2. with the most severity, intensity, etc.; in the greatest degree.
verb (used with object)
  1. to defeat; beat: He worsted him easily.
  1. at worst, if the worst happens; under the worst conditions: He will be expelled from school, at worst.Also at the worst.
  2. get the worst of something, to be defeated by; lose: to get the worst of a fight.
  3. if worst comes to worst, if the very worst happens: If worst comes to worst, we still have some money in reserve.
  4. in the worst way, Informal. in an extreme degree; very much: She wanted a new robe for Christmas in the worst way.Also the worst way.

Origin of worst

before 900; Middle English worste (adj., adv., and noun), Old English wur(re)sta, wyr(re)st, wer(re)sta (adj. and adv.); cognate with Old Norse verstr; see worse, -est1
Can be confusedworst wurst
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for at the worst


  1. the superlative of bad 1
  1. in the most extreme or bad manner or degree
  2. least well, suitably, or acceptably
  3. (in combination) in or to the smallest degree or extent; leastworst-loved
  1. the worst the least good or most inferior person, thing, or part in a group, narrative, etc
  2. (often preceded by at) the most poor, unpleasant, or unskilled quality or conditiontelevision is at its worst these days
  3. the greatest amount of damage or wickedness of which a person or group is capablethe invaders came and did their worst
  4. the weakest effort or poorest achievement that a person or group is capable of makingthe applicant did his worst at the test because he did not want the job
  5. the worst
    1. in the least favourable interpretation or view
    2. under the least favourable conditions
  6. if the worst comes to the worst if all the more desirable alternatives become impossible or if the worst possible thing happens
  7. come off worst or get the worst of it to enjoy the least benefit from an issue or be defeated in it
  1. (tr) to get the advantage over; defeat or beat

Word Origin for worst

Old English wierrest; related to Old Frisian wersta, Old Saxon, Old High German wirsisto, Old Norse verstr
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for at the worst



Old English wyrresta, from Proto-Germanic *wers-ista- (cf. Old Saxon wirsista, Old Norse verstr, Old Frisian wersta, Old High German wirsisto), superlative of PIE *wers- "to confuse, mix up" (see worse). Phrase in the worst way (1839) is from American English sense of "most severely."



"damage, inflict loss upon," c.1600, from worst (adj.). Related: Worsted; worsting.

Online Etymology Dictionary, © 2010 Douglas Harper

Idioms and Phrases with at the worst

at the worst

see at worst.


see at worst; get (have) the worst of it; if worst comes to worst; in the worst way. Also see under worse.

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.