ratchet

/ˈrætʃɪt/
noun
  1. A device with a wheel or bar that allows movement in only one direction, often used to tighten or loosen things.
    • He used a ratchet to tighten the bolts on the car tire.
    • The mechanic reached for a ratchet to remove the stubborn nut.
    • A ratchet makes it easy to turn a screw without lifting the tool.
  2. A situation or process that moves steadily in one direction, especially toward a worse condition.
    • Once the debt started growing, it became a ratchet that was hard to stop.
    • The conflict created a ratchet of increasing violence.
    • The arms race was a dangerous ratchet that neither side could easily reverse.
verb
  1. To move or cause to move in a series of small steps, often in one direction.
    • She ratcheted the strap tighter around the luggage.
    • The government ratcheted up security after the threat.
    • The tension ratcheted up as the deadline approached.
What does "ratchet" mean? | whatsthatwordmean | whatsthatwordmean