English Words Starting With U

• untwine

  verb-ambitransitiveLow
  /ʌnˈtwaɪn/To unwind, uncoil, or separate something that has been twisted together.
• untwist

  verb-ambitransitiveC1
  /ʌnˈtwɪst/To unwind or straighten something that has been twisted.
• ununbium

  nounExtremely Rare
  /ˌʌn.ʌnˈbaɪ.əm/The former systematic name for the chemical element with atomic number 112, now officially named copernicium.
• ununhexium

  nounExtremely Low
  /ˌʌnʌnˈhɛksɪəm/The temporary systematic name for the chemical element with atomic number 116, now officially named livermorium (Lv).
• ununnilium

  nounC2/Very Rare/Specialist
  /ˌjuːnənˈnɪliəm/The temporary, systematic IUPAC name for the chemical element with atomic number 110, before it was officially named darmstadtium (Ds).
• ununquadium

  nounExtremely Rare / Technical
  /ˌʌn.ʌnˈkwɒd.i.əm/A temporary systematic name for the chemical element with atomic number 114, now officially named flerovium.
• unununium

  nounVery Low (Scientific/Hedory Usage)
  /ˌʌn.ʌnˈʌn.i.əm/A placeholder name for a synthetic, superheavy chemical element with the atomic number 111, now officially named Roentgenium (Rg).
• unusuality

  nounLow
  /ʌnˌjuːʒuˈæləti/the state or quality of being unusual; uncommonness
• unveil

  verbverb-intransitiveverb-transitiveB2
  /ʌnˈveɪl/To remove a veil or covering from something, revealing it for the first time.
• unveiling

  nounB2
  /ʌnˈveɪ.lɪŋ/The act of revealing or presenting something for the first time, often in a formal or ceremonial manner.
• unvoice

  verbverb-ambitransitiveC2
  /ʌnˈvɔɪs/to make a voiced consonant voiceless; to devoice.
• unwashed

  adjectivenounplural-nounC1
  /ʌnˈwɒʃt/not cleaned with water; dirty from lack of washing
• unweave

  verb-transitiveC2
  /ʌnˈwiːv/To undo or separate the threads of a woven fabric or complex structure.
• unweight

  verb-intransitiveC2
  /ʌnˈweɪt/to remove a weight, statistical adjustment, or bias from something; to give equal consideration.
• unwind

  verbverb-intransitiveverb-transitiveB1
  /ʌnˈwaɪnd/To relax after a period of work or tension.
• unwisdom

  nounLow
  /ʌnˈwɪzdəm/lack of wisdom; foolishness; poor judgment
• unwish

  verbverb-transitiveVery rare / Obsolete
  /ʌnˈwɪʃ/to cease to wish for something; to retract or revoke a wish.
• unwit

  verb-transitiveExtremely Rare / Archaic
  /ʌnˈwɪt/To deprive of wit, reason, or understanding; to make foolish or stupid.
• unworthy

  adjectivenounC1
  /ʌnˈwɜː.ði/Not deserving respect, praise, reward, or attention; lacking merit or value.
• unwound

  verbB2
  /ʌnˈwaʊnd/The past tense and past participle of the verb 'unwind', meaning to undo something that is wound, or to relax after a period of tension.

Showing 981–1000 of 1514 words.