Words That Start with Bo: Expand Your Vocabulary Today

Discover a variety of engaging words that start with the letters “bo” to enhance your vocabulary and enrich your writing.

  1. Boa- a large, heavy, and typically colorful scarf worn for warmth or as an accessory.
  2. Boar- a wild pig from which domestic pigs are descended.
  3. Boat- a small vessel propelled on water by oars, sails, or an engine.
  4. Bob- a short or jerky movement or a short haircut.
  5. Bode- to indicate something, typically a future event, by signs or an omen.
  6. Body- the physical structure of a person or an animal.
  7. Bog- wet muddy ground too soft to support a heavy body, forming part of a system of waterlogged, and typically acidic land.
  8. Boggle- to be astonished or overwhelmed when trying to think about something.
  9. Boil- to reach or cause to reach the temperature at which a liquid bubbles and turns to vapor.
  10. Bold- showing a willingness to take risks; confident and courageous.
  11. Bolt- a bar that slides into a socket to fasten a door or window, or a sudden dash to escape.
  12. Bomb- an explosive weapon detonated by impact, proximity to an object, a timing mechanism, or other means.
  13. Bond- a thing used to tie something or to fasten things together, or a strong force of attraction holding atoms or ions together in a molecule or crystal.
  14. Bone- any of the pieces of hard, whitish tissue making up the skeleton in humans and other vertebrates.
  15. Bonk- hit or strike.
  16. Bony- resembling or consisting of bone, very thin.
  17. Boo- a term used to express disapproval or to startle someone, or an affectionate term for one’s significant other.
  18. Book- a set of written, printed, or blank pages fastened together along one side and encased between protective covers.
  19. Boom- a loud, deep, resonant sound or a period of rapid economic growth.
  20. Boon- a thing that is helpful or beneficial.
  21. Boor- an unrefined, ill-mannered person.
  22. Boost- help or encourage something to increase or improve.
  23. Boot- a sturdy item of footwear covering the foot, the ankle, and sometimes the leg below the knee, or to restart a computer system.
  24. Boozy- relating to or characterized by drinking alcohol, often to excess.
  25. Bop- dance to pop music.
  26. Bore- to make someone feel weary by being dull and uninteresting, or to drill a hole.
  27. Borg- referring to a collective fictional alien antagonist in the “Star Trek” media franchise known for assimilating other species into their collective.
  28. Born- having started life, existence, or operation.
  29. Borough- a town or district that is an administrative unit.
  30. Boss- a person in charge of a worker or organization, or excellent; outstanding.
  31. Bot- a software application that runs automated tasks over the internet.
  32. Both- used to refer to two people or things, regarded and identified together.
  33. Bottle- a container, typically made of glass or plastic and with a narrow neck, used for storing drinks or other liquids.
  34. Bottom- the lowest point or part of something.
  35. Bough- a main branch of a tree.
  36. Bounce- (of an object, especially a ball) move quickly up, back, or away from a surface after hitting it.
  37. Bound- walk or run with leaping strides or destined to happen.
  38. Bounty- a sum paid for killing or capturing a person or animal, or generosity in giving.
  39. Bouquet- an attractively arranged bunch of flowers, especially one presented as a gift or carried at a ceremony.
  40. Bout- a short period of intense activity of a specified kind, or a wrestling or boxing match.
  41. Bow- a weapon for shooting arrows, typically made of a curved piece of wood whose ends are connected by a string, or the front part of a ship.
  42. Bowery- relating to a colonial Dutch plantation or farm, can also refer to an area of NYC known for its flophouses and homelessness.
  43. Bowl- a round, deep dish or basin used for food or liquid.
  44. Box- a container with a flat base and sides, typically square or rectangular and having a lid.
  45. Boy- a male child or young man.
  46. Boyish- of, like, or characteristic of a male child or young man.
  47. Bozo- a stupid, rude, or insignificant person, often used as a generic name for a man.
  48. Bozal- relating to or denoting a simplified form of Spanish spoken by African slaves in the West Indies.
  49. Bolete- a type of wild mushroom that belongs to a group characterized by having a cap and spongy underside instead of gills.
  50. Borate- any of a variety of minerals consisting of hydrated sodium borate, important as sources of boron.
  51. Boric- of or containing boron.
  52. Bort- imperfect diamonds that are crushed to form abrasive powders.
  53. Bosh- nonsense; foolish talk or ideas.
  54. Bosk- a small wooded area.
  55. Bosom- the chest of a human being as the place where emotions are felt, or a close, intimate relationship.
  56. Bossy- fond of giving people orders; domineering.
  57. Bosun- a ship’s officer in charge of equipment and the crew.
  58. Botany- the scientific study of plants, including their physiology, structure, genetics, ecology, distribution, and classification.
  59. Botch- carry out (a task) badly or carelessly.
  60. Bothy- a small hut or cottage, especially one for housing farm laborers or for use as a mountain refuge.
  61. Bottle- put (drinks or other liquids) into bottles.
  62. Bottler- a person or machine that bottles a drink.
  63. Bottomless- without a bottom or end; extremely deep.
  64. Botulinum- a bacterium that produces a toxin often causing food poisoning.
  65. Boulder- a large rock, typically one that has been worn smooth by erosion.
  66. Boulevard- a wide street in a town or city, typically one lined with trees.
  67. Bounceback- a recovery from a difficult situation.
  68. Bouncer- a person employed by a nightclub or other establishment to prevent troublemakers from entering or to eject them from the premises.
  69. Bouncing- very healthy and active; full of vigour.
  70. Bountiful- large in quantity; abundant.
  71. Bouquetin- another name for the ibex, a type of mountain goat.
  72. Bourse- a stock exchange, especially one in a continental European city.
  73. Bovine- relating to or affecting cattle.
  74. Bowdlerize- remove material that is considered improper or offensive from (a text or account), especially with the result that it becomes weaker or less effective.
  75. Bowler- a person who bowls in cricket or a type of hat, traditionally made of felt and shaped with a rounded crown.
  76. Bowlful- as much as a bowl will hold.
  77. Bowline- a type of knot, forming a loop at the end of a rope that neither slips nor jams.
  78. Bowling- the action of playing a game in which balls are rolled at objects as targets.
  79. Bowman- a person who makes or sells bows (weapons) or an archer.
  80. Boxcar- a railway freight car with a roof and sliding doors in the sides.
  81. Boxer- a person who takes part in the sport of boxing.
  82. Boxing- the sport or practice of fighting with the fists, especially with padded gloves in a roped square ring according to prescribed rules.
  83. Boxwood- a type of dense evergreen shrub, used for making boxes or intricate carving.
  84. Boycott- withdraw from commercial or social relations with (a country, organization, or person) as a punishment or protest.
  85. Boyfriend- a regular male companion in a romantic or sexual relationship.
  86. Boyle’s Law- a principle that for a fixed amount of an ideal gas kept at a fixed temperature, pressure and volume are inversely proportional.
  87. Boysenberry- a large reddish-black berry that is a hybrid of several different species of Rubus.
  88. Bozotic- foolish, stupid.
  89. Bosset- a boss, stud, or knob.
  90. Boshvark- a type of wild pig found in Africa.
  91. Boonies- informal term for rough or isolated country.
  92. Bootleg- illegally made, distributed, or sold.
  93. Bootstrapping- starting a business from scratch without external help or capital.
  94. Boondoggle- work or activity that is wasteful or pointless but gives the appearance of having value.
  95. Boosted- increased or raised.
  96. Bootee- a soft, typically woolen sock or boot worn by babies.
  97. Bootjack- a device for pulling off boots, consisting of a U-shaped mouth that grips the heel and a flat area that is stood on with the other foot.
  98. Bootlace- a lace used for fastening boots.
  99. Bootlicker- a person who acts in a servile or excessively subservient manner.
  100. Booby- a type of seabird; used informally as a foolish or stupid person.