English Words Starting With J

• jump spark

  nounLow
  /ˈdʒʌmp ˌspɑːk/A spark caused by the sudden interruption or breakdown of an electric current, such as when a circuit is broken or when a spark jumps a gap; also refers to the igniting spark in early internal combustion engines.
• jump suit

  nounMedium
  /ˈdʒʌmp.suːt/A one-piece garment combining a top and trousers, worn as a functional uniform or as fashionable attire.
• jump turn

  nounLow
  /ˈdʒʌmp ˌtɜːn/A quick, sharp change of direction while jumping, typically in sports, dance, or skiing.
• jump-off

  nounverbB2
  /ˈdʒʌmp ɒf/A decisive point of departure or beginning, often marked by competition or sudden action.
• jump-shift

  nounVery Low
  /ˈdʒʌmp ˌʃɪft/In contract bridge, a bid that is both a jump in level and a shift to a new suit, typically showing a very strong hand.
• jump-start

  nounverbverb-transitiveB2
  /ˈdʒʌmp stɑːt/To start a vehicle with a dead battery by connecting it to another vehicle's battery or an external power source; to provide a sudden boost of energy or initiation to something.
• jump-up

  nounverbLow
  /ˈdʒʌmp ʌp/A carnival or festive celebration, often in a Caribbean context, involving music, dancing, and revelry in the streets.
• jumper

  nounB1
  /ˈdʒʌmpə(r)/A knitted garment for the upper body, typically without an opening at the front, pulled on over the head.
• jumper ant

  nounLow (Regional)
  /ˈdʒʌmpər ˌænt/A large, aggressive ant known for its powerful sting and ability to jump short distances.
• jumping bean

  nounC1/C2
  /ˌdʒʌmp.ɪŋ ˈbiːn/A seed of certain Mexican shrubs, containing the larva of a small moth whose movements cause the seed to jerk or 'jump'.
• jumping bristletail

  nounVery Low
  /ˈdʒʌmpɪŋ ˈbrɪs(ə)lteɪl/A small, wingless insect of the order Archaeognatha, characterized by a humped back, long antennae, and three tail-like appendages, capable of jumping when disturbed.
• jumping gene

  nounLow (Technical/Specialist)
  /ˌdʒʌmp.ɪŋ ˈdʒiːn/A segment of DNA that can move from one location in the genome to another.
• jumping hare

  nounVery Low
  /ˈdʒʌmpɪŋ heə(r)/A small, brown, rabbit-like mammal, specifically the springhare (Pedetes capensis), native to southern Africa, known for its powerful jumping ability.
• jumping jack

  nounB2
  /ˌdʒʌmpɪŋ ˈdʒæk/A physical exercise in which a person jumps to a position with legs spread wide and hands touching overhead, then returns to a position with feet together and arms at the sides.
• jumping mouse

  nounC1
  /ˈdʒʌmpɪŋ ˌmaʊs/A small rodent of the family Zapodidae, native to North America and China, characterized by long hind legs and feet used for hopping.
• jumping plant louse

  nounLow (specialist/technical)
  /ˈdʒʌmpɪŋ plɑːnt laʊs/A small, sap-sucking insect of the superfamily Psylloidea, known for its ability to jump when disturbed.
• jumping spider

  nounB2
  /ˈdʒʌmpɪŋ ˈspaɪdə/A small spider known for its remarkable leaping ability to capture prey and navigate its environment.
• jumping-off place

  nounC1
  /ˌdʒʌmpɪŋ ˈɒf ˌpleɪs/A point of departure, either literal (a starting point for a journey) or metaphorical (the beginning of a new venture or phase).
• jumpmaster

  nounC2
  /ˈdʒʌmpˌmɑːstə(r)/A person responsible for leading, instructing, and supervising personnel during a parachute jump, particularly in a military context.
• jumprock

  nounVery Low
  Not applicable/No standard transcription.A type of fish, specifically the striped mullet (*Mugil cephalus*) or the silver mullet (*Mugil curema*), commonly found in the coastal waters of the southeastern United States, particularly around Florida and the Gulf of Mexico.

Showing 1401–1420 of 1603 words.