English Words Starting With U

• undid

  verbB2-C1
  /ʌnˈdɪd/Past tense and past participle of 'undo'. Means to reverse, cancel, or take back something that was done.
• undies

  plural-nounmedium
  /ˈʌn.diz/A casual and affectionate term for underwear, typically including pants/knickers and sometimes a vest or camisole.
• undine

  nounC2/Rare
  /ˈʌndiːn/A female water spirit or nymph in European folklore, typically found in lakes, rivers, or waterfalls, often portrayed as seeking a soul by marrying a mortal.
• undisputed world champion

  nounMedium Frequency
  /ˌʌn.dɪˈsjuː.pɪd wɜːld ˈtʃæm.pi.ən/A person or team officially recognized as the best in the world in a particular sport or competitive field, without any disagreement or challenge to that title.
• undistributed middle

  nounVery Low
  /ˌʌndɪˈstrɪbjʊtɪd ˈmɪd(ə)l/A formal logical fallacy where the middle term in a categorical syllogism is not distributed in at least one premise, invalidating the argument.
• undivided profits

  plural-nounC1
  /ˌʌndɪˈvaɪdɪd ˈprɒfɪts/Profits that have been earned by a corporation but have not been allocated to specific purposes (like reserves or dividends) and are thus available for distribution to shareholders or reinvestment.
• undo

  verbverb-transitiveB2
  /ʌnˈduː/To reverse or cancel the effect of a previous action.
• undock

  verb-intransitiveverb-transitiveC1
  /ʌnˈdɒk/To detach or separate a vessel, spacecraft, or vehicle from a docking station, port, or another object to which it was previously connected.
• undoing

  nounC1
  /ʌnˈduːɪŋ/The act of reversing or canceling something that has been done; the cause of someone's ruin or downfall.
• undouble

  verb-transitiveLow
  /ʌnˈdʌbəl/To restore something from a doubled or folded state to a single, unfolded state; to remove a fold or crease.
• undrape

  verb-transitiveVery low (extremely rare)
  /ʌnˈdreɪp/To remove drapery, coverings, or cloth from; to uncover, expose.
• undraw

  verb-intransitiveverb-transitiveVery Low (Obsolete/Literary)
  /ʌnˈdrɔː/To pull back or open something that was drawn (closed, shut, or covering something).
• undress

  adjectivenounverbverb-intransitiveverb-transitiveB2
  /ʌnˈdrɛs/To remove clothes from (oneself or another person)
• undress uniform

  nounC1-C2
  /ˌʌnˈdres ˈjuːnɪfɔːm/A military or formal uniform of a less elaborate, more comfortable style, worn for everyday duties when full ceremonial dress is not required.
• undset

  nounExtremely Rare / Obsolete / Not in Use
  /ˈʊnsɛt/Not in standard modern English dictionaries. Possible proper noun (e.g., a surname or place name) or rare/unattested word.
• undulant fever

  nounRare
  /ˈʌndjʊlənt ˈfiːvə/A serious infectious disease caused by bacteria of the genus Brucella, characterized by recurring fevers, muscle pain, and sweating.
• undulate

  adjectiveverbverb-intransitiveverb-transitiveC1
  /ˈʌn.djʊ.leɪt/To move or appear to move with a smooth, wavelike motion.
• undulation

  nounC1
  /ˌʌndjʊˈleɪʃən/A smooth, continuous, wave-like motion or shape.
• undulatory theory

  nounC2 / Very Low
  /ˈʌndjʊlət(ə)ri ˈθɪəri/A historical scientific theory that explains the propagation of light as a wave motion in a medium.
• undulatus

  nounVery low (C2 level, specialist/technical vocabulary).
  /ˌʌndjʊˈleɪtəs/Having a wave-like or wavy form, pattern, or structure.

Showing 541–560 of 1514 words.