English Words Starting With O

• overrated

  adjectiveverbB2
  /ˌəʊvəˈreɪtɪd/Given an excessively high value or reputation; not as good as people say.
• overreach

  verbverb-intransitiveverb-transitiveC1
  /ˌəʊ.vəˈriːtʃ/To reach or try to go beyond a limit, especially in ambition or authority, often leading to failure or negative consequences.
• overreact

  verbverb-intransitiveB1-B2
  /ˌəʊvəriˈækt/To respond to a situation or event with more emotion or action than is necessary or appropriate.
• overrefine

  verbverb-transitiveLow
  /ˌəʊvərɪˈfaɪn/To refine something to an excessive or unnecessary degree, often resulting in impracticality or loss of effectiveness.
• overrefinement

  nounC2
  /ˌəʊvərɪˈfaɪnmənt/The act or process of making something excessively refined or elegant beyond necessity.
• overreliance

  nounC1
  /ˌəʊvə.rɪˈlaɪ.əns/Excessive dependence on someone or something, to a degree that is unhealthy or counterproductive.
• overrepresent

  verb-transitiveC1
  /ˌəʊvəˌrɛprɪˈzɛnt/To include or portray something or someone in a proportion that is larger than its actual occurrence or share in reality.
• override

  nounverbverb-transitiveC1
  /ˌəʊvəˈraɪd/to use authority to reject or cancel a decision, rule, or system; to take precedence over something.
• overrider

  nounLow
  /ˌəʊvəˈraɪdə/A person or thing that overrides, or a mechanism to override a previous system or command.
• overruff

  nounverb-ambitransitiveLow (specialist term)
  /ˌəʊvəˈrʌf/In card games, especially bridge and whist, to play a trump card higher than an opponent's trump card which has already been played to win a trick.
• overrule

  verbverb-transitiveC1
  /ˌəʊ.vəˈruːl/to use official authority to reject or change a decision, ruling, or suggestion made by someone with less authority.
• overrun

  nounverbverb-intransitiveverb-transitiveC1
  /ˌəʊvəˈrʌn/To spread over or occupy something in an uncontrolled way, exceeding limits.
• overrun brake

  nounC2 / Very Low Frequency / Specialised
  /ˈəʊvərʌn breɪk/A type of mechanical brake system, typically on a trailer, which is automatically engaged when the towing vehicle slows down, using the forward momentum of the trailer.
• overscore

  verbverb-transitiveVery low frequency / Technical term
  /ˌəʊvəˈskɔː/to draw a line over or above something, typically as a form of notation or emphasis.
• overseas

  adjectiveadverbnounB2
  /ˌəʊvəˈsiːz/In, to, or relating to countries across the sea from one's own; foreign.
• overseas cap

  nounLow
  /ˌəʊ.vəˈsiːz ˈkæp/A type of soft, flat, foldable military cap with a round, flat top and a short visor, originally designed for U.S. soldiers serving overseas.
• overseas telegram

  nounLow
  /ˌəʊ.vəˈsiːz ˈtel.ɪ.ɡræm/A message transmitted via telegraphy to or from a foreign country.
• oversee

  verbverb-transitiveB2
  /ˌəʊvəˈsiː/To watch over and direct (work, workers, or an activity); to supervise.
• overseer

  nounB2
  /ˈəʊvəsɪə(r)/A person who supervises and directs the work of others, especially workers.
• oversell

  verbverb-intransitiveverb-transitiveB2
  /ˌəʊvəˈsel/To promote or describe something too enthusiastically or aggressively, making claims that exceed its actual merits.

Showing 2861–2880 of 3187 words.