English Words Starting With B

• back run

  nounLow
  /ˈbæk ˌrʌn/A reversed chronological sequence or a run performed moving backward.
• back saw

  nounLow
  /ˈbæk ˌsɔː/A hand saw with a rigid reinforcing strip (back) along its top edge, used for precise woodworking cuts.
• back scatter

  nounC2
  /ˈbæk ˌskæt.ər/To reflect or scatter radiation, particles, or signals in a backward direction, often toward their source.
• back score

  nounLow
  /bæk skɔː/To achieve a specified result or position in a sports competition, especially a high score.
• back scratcher

  nounC1
  /ˌbæk ˈskrætʃ.ər/A handheld tool with a long handle and claw-like end, designed for scratching one's own back.
• back seat

  nounB1
  /ˌbæk ˈsiːt/A seat at the rear of a vehicle, especially a car.
• back shaft

  nounLow
  /ˈbæk ˌʃɑːft/The rear part of a shaft, especially in mechanical or architectural contexts; a shaft located at the back of something.
• back shift

  nounC1
  /ˈbækʃɪft/The grammatical process of changing verb tenses in reported speech to reflect a past time perspective from the reporter's viewpoint.
• back slang

  nounC1
  /ˈbæk slæŋ/A type of slang in which words are spoken or written backwards.
• back staff

  nounVery low
  /ˈbæk stɑːf/A historical nautical instrument used for measuring the sun's altitude above the horizon to calculate latitude at sea.
• back stairs

  nounB2
  /ˌbæk ˈsteəz/A secondary staircase, often used by servants or for discreet, private access to the upper floors of a house, typically located at the rear.
• back story

  nounB2
  /ˈbæk ˌstɔː.ri/The background history and events that explain a character's current personality, motivations, or situation in a narrative.
• back straight

  nounC2
  /ˌbæk ˈstreɪt/The straight section of a racetrack opposite the finishing line; often the longest straight.
• back street

  nounC1
  /ˈbæk striːt/A small, narrow, often quiet street away from main roads, typically in a residential or older area of a town or city.
• back stretch

  nounB1
  /ˈbæk ˌstretʃ/A physical exercise designed to stretch and lengthen the muscles of the back.
• back talk

  nounverb-ambitransitiveMedium
  /ˈbæk ˌtɔːk/Impertinent or disrespectful replies, especially from someone in a subordinate position (e.g., a child to a parent, student to teacher).
• back to back

  adjectiveadverbnounB2
  /ˌbæk tə ˈbæk/Immediately following one another in sequence; consecutive.
• back up

  nounverbB1
  /ˌbæk ˈʌp/To move backward; to give support to someone or something; to make a copy of computer data for safekeeping.
• back vent

  nounC1/C2
  /ˈbæk ˌvent/A vertical slit or opening in the lower back of a tailored garment (e.g., jacket, coat, skirt) that allows for ease of movement and prevents the garment from pulling when sitting or moving.
• back walkover

  nounLow
  /ˌbæk ˈwɔːkˌəʊvə/A gymnastics or dance movement where the performer arches backward from a standing position, placing hands on the floor, and continues the rotation to return to a standing position.

Showing 261–280 of 10030 words.