ENGLISH
REFERENCE

boost

v. · n.
US //ˈbust// UK //bˈuːst// boost
  1. 1 to increase or improve (v.)
    B1 Intermediate

    to help something grow, improve, or become more successful.

    to augment, encourage, or promote the growth or progress of something. Transitive; requires a direct object such as 'confidence', 'sales', or 'morale'.

    Example

    The warm weather helped to boost ice cream sales this month.

    Example

    The central bank's decision to lower interest rates was intended to boost consumer spending and stimulate the sluggish economy.
  2. 2 to lift physically (v.)
    B2 Upper Intermediate

    to push someone up from below so they can reach something high.

    to provide a physical lift or upward push to someone, typically to assist them in climbing.

    Example

    He boosted his daughter up so she could see over the tall fence.

    Example

    The hikers had to boost each other over the rocky ledge to reach the summit before the sun went down.
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  1. 3 to steal (v.)
    C1 Advanced Slang Informal

    to steal something, especially from a shop.

    to shoplift or steal merchandise. Primarily used in informal or criminal contexts.

    Example

    He was caught trying to boost a pair of expensive headphones from the electronics store.

    Example

    The security footage clearly showed the suspect attempting to boost several high-end watches from the display case.
  2. 4 an improvement or help (n.)
    B1 Intermediate

    something that helps you feel better or makes a situation more successful.

    an act or event that brings about an increase in power, value, or emotional state.

    Example

    Winning the first game gave the whole team a huge confidence boost.

    Example

    The unexpected endorsement from the industry leader provided a significant boost to the startup's reputation among investors.
  3. 5 engine pressure (n.)
    C1 Advanced Technical Engineering

    the extra power in a car engine from a turbocharger.

    the increase in manifold pressure above atmospheric pressure in an internal combustion engine, typically via a supercharger or turbocharger.

    Example

    The driver felt the boost kick in as the car accelerated down the straight track.

    Example

    The mechanic adjusted the wastegate to ensure the engine maintained a consistent level of boost during high-speed performance.
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