English Words Starting With O

• outer garments

  plural-nounC1
  /ˈaʊtə ˈɡɑːmənts/Items of clothing worn on the outside of other clothes, typically designed to be seen and to protect against the weather.
• outer hebrides

  plural-nounC1
  /ˌaʊtə ˈhɛbrɪdiːz/A chain of islands off the west coast of mainland Scotland, also known as the Western Isles.
• outer mongolia

  nounLow
  /ˌaʊtə mɒŋˈɡəʊliə/A historical and geographical region of East Asia, north of China proper, known in modern times as the independent nation of Mongolia.
• outer planet

  nounLow
  /ˌaʊtə ˈplænɪt/A planet in our solar system whose orbit lies beyond the asteroid belt, specifically Jupiter, Saturn, Uranus, and Neptune.
• outer product

  nounC2
  /ˈaʊtə ˈprɒdʌkt/A specific mathematical operation on vectors that produces a matrix from two vectors.
• outer space

  nounB2
  /ˌaʊ.tə ˈspeɪs/The physical universe beyond the Earth's atmosphere; the region containing stars, planets, and other celestial bodies.
• outercoat

  nounLow to Medium
  /ˈaʊtəˌkəʊt/The outermost layer of a multi-layer garment; a protective or finishing coat applied over a surface.
• outercourse

  nounRare
  /ˈaʊtəkɔːs/Sexual activities that do not involve vaginal or anal intercourse, often used to describe non-penetrative sexual intimacy.
• outersole

  nounLow
  /ˈaʊ.tə.səʊl/The exterior, durable bottom layer of a shoe or boot that makes direct contact with the ground.
• outerwear

  nounB2
  /ˈaʊtəweə/Clothing designed to be worn on the outside of other garments, typically to protect against the weather.
• outface

  verbverb-transitiveC2
  /ˌaʊtˈfeɪs/To confront and withstand with a bold, unyielding expression or attitude.
• outfall

  nounC1
  /ˈaʊtfɔːl/A place where water or a waterway flows out, such as a pipe or channel where a sewer, drain, or river discharges into the sea, a lake, or another body of water.
• outfield

  nounB2
  /ˈaʊt.fiːld/The part of a baseball or cricket field beyond the diamond/pitch, where fielders stand.
• outfielder

  nounB2
  /ˈaʊtˌfiːldə/A baseball player whose defensive position is in the outfield, the area beyond the infield.
• outfighting

  nounC2
  /ˌaʊtˈfaɪtɪŋ/The act of defeating an opponent by being more skillful or effective in combat, particularly in close-quarters or physical fighting.
• outfit

  nounverbverb-intransitiveverb-transitiveB1
  /ˈaʊtfɪt/A set of clothes worn together, especially for a particular occasion or purpose.
• outfit car

  nounB1
  /ˈaʊtfɪt/A set of clothes worn together, especially for a specific occasion or purpose.
• outflank

  verbverb-transitiveC1
  /ˌaʊtˈflæŋk/To maneuver around the side of an opponent, especially a military formation, in order to attack from a more advantageous position.
• outflow

  nounB2
  /ˈaʊt.fləʊ/The act or process of flowing out; the movement of something (liquid, gas, money, people) away from a source or central point.
• outflux

  nounLow
  /ˈaʊtflʌks/The process or act of flowing out; an outflow, especially of people, capital, or resources.

Showing 2461–2480 of 3187 words.