boost definition, boost meaning | English dictionary

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Collins

boost

  

      n  
1    encouragement, improvement, or help  
a boost to morale     
2    an upward thrust or push  
he gave him a boost over the wall     
3    an increase or rise  
a boost in salary     
4    a publicity campaign; promotion  
5    the amount by which the induction pressure of a supercharged internal-combustion engine exceeds that of the ambient pressure  
      vb   tr  
6    to encourage, assist, or improve  
to boost morale     
7    to lift by giving a push from below or behind  
8    to increase or raise  
to boost the voltage in an electrical circuit     
9    to cause to rise; increase  
to boost sales     
10    to advertise on a big scale  
11    to increase the induction pressure of (an internal-combustion engine) above that of the ambient pressure; supercharge  
     (C19: of unknown origin)  
English Collins Dictionary - English Definition & Thesaurus  
Collins

boost

  

      n  
1    encouragement, help, hype, improvement, praise, promotion  
2    heave, hoist, lift, push, raise, shove, thrust  
3    addition, expansion, improvement, increase, increment, jump, rise  
      vb  
4    advance, advertise, assist, crack up     (informal)   encourage, foster, further, hype, improve, inspire, plug     (informal)   praise, promote, support, sustain  
5    elevate, heave, hoist, lift, push, raise, shove, thrust  
6    add to, amplify, develop, enlarge, expand, heighten, hoick, increase, jack up, magnify, raise  
  
Antonyms     
,       n  
1 & 3    condemnation, criticism, cut-back, decline, decrease, deterioration, fall, knock     (informal)   reduction  
      vb  
4 & 6    condemn, criticize, cut, decrease, diminish, drop, hinder, hold back, knock     (informal)   lessen, let down, lower, moderate, pare, reduce, scale down  
5    drop, let down, lower  

English Collins Dictionary - English synonyms & Thesaurus  

See also:

boot, boots, booster, Boötes

morale boost, morale booster n.
something that improves morale

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