Words That Start with J: Boost Your Vocabulary with These Picks

In this article, you’ll learn a variety of words that start with the letter “J,” enhancing your vocabulary and boosting your word game skills.

  1. Jabber- to talk rapidly and excitedly but with little sense.
  2. Jackal- a wild dog found in Africa and Asia, known for scavenging.
  3. Jade- a hard, typically green stone used for ornaments and jewelry.
  4. Jaded- tired, bored, or lacking enthusiasm, typically after having had too much of something.
  5. Jagged- having rough, sharp points protruding.
  6. Jail- a place for the confinement of people accused or convicted of a crime.
  7. Jam- a sweet spread made from fruit and sugar, boiled to a thick consistency.
  8. Jamboree- a large celebration or party, typically a noisy and lively event.
  9. Jangle- a sound made by metal objects clashing or clinking together.
  10. Jaunt- a short excursion or journey for pleasure.
  11. Jealous- feeling or showing envy of someone or their achievements and advantages.
  12. Jeer- to make rude and mocking remarks, typically in a loud voice.
  13. Jell- to become more definite or cohesive.
  14. Jelly- a soft, semi-transparent food substance made from gelatin or other thickener.
  15. Jeopardy- danger of loss, harm, or failure.
  16. Jest- a thing said or done for amusement; a joke.
  17. Jetty- a landing stage or small pier at which boats can dock or be moored.
  18. Jewel- a precious stone, typically set in a piece of jewelry.
  19. Jiffy- a very short amount of time; a moment.
  20. Jig- a lively dance with leaping movements.
  21. Jilt- to suddenly reject or abandon a lover.
  22. Jingle- a light ringing sound made typically by coins or metal objects.
  23. Jinx- a person or thing that brings bad luck.
  24. Jive- a lively, swing dance popular in the 1940s, or the music associated with it.
  25. Job- a paid position of regular employment.
  26. Jockey- a person who rides horses in races, typically as a profession.
  27. Jog- to run at a steady gentle pace, especially as a form of exercise.
  28. Joggle- to shake slightly.
  29. Join- to link; connect.
  30. Joint- a point at which two parts of an artificial structure are joined.
  31. Joke- something said or done to cause laughter.
  32. Jolt- a sudden rough or violent movement.
  33. Jostle- to push, elbow, or bump against someone, usually in a crowd.
  34. Journal- a daily record of news and events of a personal nature; a diary.
  35. Journey- an act of traveling from one place to another.
  36. Jovial- cheerful and friendly.
  37. Jowls- the lower part of a person’s or animal’s cheek, especially when it is fleshy or drooping.
  38. Joy- a feeling of great pleasure and happiness.
  39. Jubilee- a special anniversary of an event, especially one celebrating twenty-five or fifty years of a reign or activity.
  40. Judge- a public officer authorized to hear and decide cases in a court of law.
  41. Judgment- the ability to make considered decisions or come to sensible conclusions.
  42. Jugular- relating to the throat or neck.
  43. Juggle- continuously toss into the air and catch a number of objects so as to keep at least one in the air while handling the others.
  44. Juice- the liquid that can be extracted from a fruit or vegetable.
  45. Juicy- full of juice; succulent.
  46. Jumble- an untidy collection or pile of things.
  47. Jump- to push oneself off a surface and into the air by using the muscles in one’s legs and feet.
  48. Junction- a point where two or more things are joined.
  49. Juncture- a particular point in events or time.
  50. Jungle- an area of dense, untamed forest, typically tropical, inhabited by wild animals.
  51. Junior- of or for younger people or denoting the younger of two who have the same name.
  52. Junk- old or discarded articles that are considered useless or of little value.
  53. Junket- a trip or journey taken by an official at public expense for ostensibly official purposes.
  54. Just- based on or behaving according to what is morally right and fair.
  55. Jut- to extend out, over, or beyond the main body or line of something.
  56. Juxtapose- to place or deal with close together for contrasting effect.
  57. Joviality- the quality of being cheerful and friendly.
  58. Jockeying- maneuvering for a favorable position.
  59. Jocular- fond of or characterized by joking; humorous or playful.
  60. Judiciary- the judicial authorities of a country; judges collectively.
  61. Judicious- having, showing, or done with good judgment or sense.
  62. Jug- a large container for liquids, with a handle and a spout or lip.
  63. Jujube- a fruit-flavored lozenge or a small candy.
  64. Jukebox- a machine that automatically plays selected music, typically operated by inserting a coin or token.
  65. Jumble- an untidy or disorganized collection or mass.
  66. Jumbo- very large.
  67. Jumpstart- to start (a car engine whose battery is dead) by connecting it to another car’s battery.
  68. Junction- the point where two or more things join.
  69. Juniper- an evergreen shrub or small tree that bears berrylike cones, widely distributed throughout Eurasia and North America.
  70. Jungle- an area of dense, wild vegetation, especially in a tropical region.
  71. Junta- a military or political group that rules a country after taking power by force.
  72. Jurist- an expert in or writer on law.
  73. Juristic- of or relating to judges or the administration of justice.
  74. Juxtaposition- the fact of two things being seen or placed close together with contrasting effect.
  75. Jubilant- feeling or expressing great happiness and triumph.
  76. Juggernaut- a huge, powerful, and overwhelming force or institution.
  77. Juvenescence- the state or period of being young.
  78. Juvenile- relating to young people.
  79. Juxtaposition- the act of positioning close together.
  80. Jackpot- a large cash prize in a game or lottery.
  81. Jamb- a side post or surface of a doorway, window, or fireplace.
  82. Jaundice- a medical condition with yellowing of the skin or whites of the eyes.
  83. Javelin- a light spear thrown in a sport or as a weapon.
  84. Jazz- a type of music of black American origin characterized by improvisation, syncopation, and usually a regular or forceful rhythm.
  85. Jeopardize- to put someone or something into a situation in which there is a danger of loss, harm, or failure.
  86. Jerk- a quick, sharp, sudden movement.
  87. Jester- a professional clown, especially one formerly employed at a court to entertain the monarch and courtiers.
  88. Jetlag- extreme tiredness and other physical effects felt by a person after a long flight across several time zones.
  89. Jigsaw- a machine saw with a fine blade enabling it to cut curved lines in a sheet of wood, metal, or plastic.
  90. Joist- a length of timber or steel supporting part of the structure of a building.
  91. Jokester- a person who enjoys telling or playing jokes.
  92. Journalistic- relating to journalists or journalism.
  93. Journeyman- a worker or sports player who is reliable but not outstanding.
  94. Jovially- in a cheerful and friendly manner.
  95. Jubilation- a feeling of great happiness and triumph.
  96. Judgemental- having or displaying an excessively critical point of view.
  97. Jumpiness- nervousness or anxiety.
  98. Jurisdiction- the official power to make legal decisions and judgments.
  99. Justifiable- able to be shown to be right or reasonable; defensible.
  100. Juvenile- relating to or characteristic of young people; not fully developed.