English Words Starting With J

• jackaroo

  nounVery Low
  /ˌdʒækəˈruː/A young man who works on a cattle or sheep station in Australia, typically as a trainee.
• jackass

  nounC1
  /ˈdʒækæs/A foolish or stupid person.
• jackass bark

  nounRare
  /ˈdʒæk.æs bɑːk/The bark of the Quassia amara tree, known for its extreme bitterness and used in traditional medicine and as a natural insecticide.
• jackass brig

  nounExtremely Rare / Archaic
  /ˈdʒæk.ɑːs brɪɡ/A specific type of sailing vessel, specifically a two-masted brig with the foremast square-rigged and the mainmast rigged with a fore-and-aft sail (a spanker) and square topsails. The name 'jackass' derives from the hybrid rig resembling a mix of a brig and a schooner.
• jackass gunter

  nounVery Low
  /ˈdʒæk.æs ˈɡʌn.tə/A clumsy, foolish, or incompetent person; an inept blunderer.
• jackass penguin

  nounC2
  /ˈdʒækæs ˈpɛŋɡwɪn/A medium-sized, black-and-white penguin species (Spheniscus demersus) native to southern Africa, named for its donkey-like braying call.
• jackass rig

  nounVery Low
  /ˈdʒæk.æs ˌrɪɡ/A specific arrangement on a sailing vessel where a smaller sail (like a trysail) is set abaft (behind) the mainmast.
• jackatar

  nounExtremely Rare / Obsolete
  /ˈdʒækətɑː/A term historically used in the Maritime provinces of Canada, particularly among Mi'kmaq communities, to refer to a person of mixed French and Mi'kmaq ancestry.
• jackboot

  nounC1
  /ˈdʒakbuːt/A tall leather military boot reaching above the knee, historically worn by cavalry and soldiers, especially in the 17th–19th centuries.
• jackdaw

  nounC2
  /ˈdʒæk.dɔː/A small, gray-black bird of the crow family (Corvus monedula), known for its intelligence and social nature.
• jackeen

  nounVery Low
  /dʒæˈkiːn/A derogatory term for a working-class or lower-middle-class resident of Dublin, especially one seen as cocky or flashy.
• jackelyn

  nounRare (As a name variant. The base form 'Jacqueline' is more common.)
  /ˈdʒæk.lɪn/A given name (predominantly female).
• jackeroo

  nounverb-intransitiveRare (primarily in Australian English)
  /ˌdʒækəˈruː/A young trainee, typically male, working on a sheep or cattle station in Australia to gain practical experience.
• jacket

  nounverbverb-transitiveA1
  /ˈdʒæk.ɪt/A short, lightweight coat for the upper body, often with sleeves and an opening down the front.
• jackey

  nounExtremely low / Obsolete
  /ˈdʒæki/A rare or obsolete term, primarily appearing in historical texts as a variant of 'jacky' (a form of gin) or as an archaic diminutive/nickname.
• jackfish

  nounLow
  /ˈdʒakfɪʃ/Any of several predatory saltwater fishes of the family Carangidae, often with silvery sides and a bluish-green back, prized in sport fishing.
• jackfruit

  nounC1
  /ˈdʒækfruːt/A very large tropical fruit with a spiky green or yellow rind and sweet yellow flesh, containing many seeds.
• jackhammer

  nounC1
  /ˈdʒækˌhæmə/A powerful, pneumatic or electric handheld tool used for breaking up hard surfaces like concrete, rock, or pavement.
• jackie

  nounC1
  /ˈdʒæk.i/A diminutive or nickname for the proper name Jacqueline.
• jackie tar

  nounC2/Historical - Very low frequency in modern English; primarily found in historical texts, nautical literature, folk songs, and as a conscious archaism.
  /ˈdʒæki ˈtɑː/A traditional, somewhat informal term for a common sailor, especially one serving in the British Royal Navy.

Showing 81–100 of 1603 words.