English Words Starting With O

• one-liner

  nounB2
  /ˌwʌn ˈlaɪ.nə/A very short joke or witty remark.
• one-lunger

  nounLow
  /ˌwʌn ˈlʌŋ.ɡə/An engine with a single cylinder.
• one-night stand

  nounB2-C1
  /ˌwʌn naɪt ˈstænd/A sexual encounter or brief romantic relationship that lasts only for one night, with no expectation of future commitment.
• one-nighter

  nounC2
  /ˌwʌn ˈnaɪtə(r)/A thing or event that lasts only one night, typically a brief sexual encounter, performance, or stay.
• one-off

  adjectivenounB2
  /ˌwʌn ˈɒf/Something that happens, is made, or is done only once and is not repeated.
• one-on-one

  adjectiveadverbnounHigh
  /ˌwʌn ɒn ˈwʌn/An arrangement, situation, or activity involving direct interaction or confrontation between two individuals.
• one-parent family

  nounMedium
  /ˌwʌn ˌpeə.rənt ˈfæm.əl.i/A family unit in which a child or children live with only one of their biological or adoptive parents.
• one-piece

  adjectivenounB1-B2
  /ˌwʌn ˈpiːs/Consisting of a single, undivided garment or article.
• one-reeler

  nounRare
  /ˌwʌn ˈriːlə/A short film, especially a comedy, contained on a single reel of film.
• one-shot

  adjectivenounB2
  /ˈwʌn ˌʃɒt/An action, event, or opportunity that happens only once and is definitive or final.
• one-spot

  nounC2 / Very Low Frequency
  /ˈwʌn ˌspɒt/A US one-dollar bill or coin.
• one-step

  nounverb-intransitiveRare
  /ˈwʌn ˌstep/A ballroom dance popular in the early 20th century, characterized by quick walking steps to ragtime music.
• one-suiter

  nounLow
  /ˌwʌn ˈsuːtə/A person who travels with luggage consisting of a single suitcase.
• one-to-one

  adjectivenounB2
  /ˌwʌn tə ˈwʌn/Involving a direct relationship or correspondence between two individual elements, where each element of one set is paired with exactly one element of another set.
• one-trick pony

  nounMedium
  /ˌwʌn trɪk ˈpəʊni/A person or thing that is only skilled or effective in one specific area, with little or no ability in other areas.
• one-two

  adjectivenounC1
  /ˌwʌn ˈtuː/A quick succession of two punches in boxing, or a rapid sequence of two actions.
• one-way mirror

  nounB2
  /ˌwʌn.weɪ ˈmɪr.ər/A panel of glass coated with a thin, reflective layer, allowing people on one side to see through it while those on the other side see only their reflection.
• one-way ticket

  nounB1
  /ˌwʌn ˈweɪ ˈtɪkɪt/A ticket for travel to a destination, with no return journey included.
• one-worlder

  nounLow
  /ˌwʌn ˈwɜːldə/A person who advocates for or believes in the political, economic, or social unification of the world's nations.
• oneg shabbat

  nounRare / Specialised
  /ˌɒnɛɡ ʃəˈbæt/A traditional gathering, reception, or social event held on the Jewish Sabbath (Shabbat), typically featuring food, singing, and discussion after a synagogue service.

Showing 1181–1200 of 3187 words.