9 Grammatical Pitfalls


[boost] /bust/
verb (used with object)
to lift or raise by pushing from behind or below.
to advance or aid by speaking well of; promote:
She always boosts her hometown.
to increase; raise:
to boost prices; to boost the horsepower of the car by 20 percent.
Slang. to steal, especially to shoplift:
Two typewriters were boosted from the office last night.
verb (used without object)
Slang. to engage in stealing, especially shoplifting.
an upward shove or raise; lift.
an increase; rise:
There's been a tremendous boost in food prices.
an act, remark, or the like, that helps one's progress, morale, efforts, etc.:
His pep talk was the boost our team needed.
Origin of boost
Scots dialect
1805-15, Americanism; perhaps Scots dialect boose (variant of pouss push) + (hoi)st
7. hike, growth, upsurge, upswing, uptick. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for boost
  • Backyard vegetables can fight crime, improve health, and boost the economy.
  • When consumed by humans, it is thought to boost energy and increase concentration.
  • Two treatments that boost the immune system improve survival rates and slow cancer growth in late-stage melanoma patients.
  • The college has also been working to boost its retention.
  • Automakers have started using hybrid technology to boost power rather than efficiency.
  • Elephant researchers believe they can boost captive-animal reproduction rates and reverse a potential population crash in zoos.
  • For a couple of thousand years, smokers have sought a quick concentration boost by firing up a cigarette.
  • Soaring house prices have given a huge boost to the world economy.
  • Why strategies to tackle climate change will boost the economy.
  • There is some controversy over who first placed parabolic mirrors behind flames to boost candlepower.
British Dictionary definitions for boost


encouragement, improvement, or help: a boost to morale
an upward thrust or push: he gave him a boost over the wall
an increase or rise: a boost in salary
a publicity campaign; promotion
the amount by which the induction pressure of a supercharged internal-combustion engine exceeds that of the ambient pressure
verb (transitive)
to encourage, assist, or improve: to boost morale
to lift by giving a push from below or behind
to increase or raise: to boost the voltage in an electrical circuit
to cause to rise; increase: to boost sales
to advertise on a big scale
to increase the induction pressure of (an internal-combustion engine) above that of the ambient pressure; supercharge
Word Origin
C19: of unknown origin
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for boost

1815, literal and figurative, American English, of unknown origin. Related: Boosted; boosting. As a noun by 1825.

Online Etymology Dictionary, © 2010 Douglas Harper
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boost in Science
A linear map from one reference frame to another in which each coordinate is increased or decreased by an independent constant or linear function. A boost corresponds to a shift of the entire coordinate system without any rotation of its axes.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Slang definitions & phrases for boost



: I'll give you a good boost

  1. To steal, esp by shoplifting: Someone had boosted my tape recorder out of the room/ slept on park benches and boosted from the A&P (1908+)
  2. To praise highly: to boost one's home town (1900+)
  3. To do the sex act with or to; bonk, screw (1980s+ Students)

The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D.
Copyright (C) 2007 by HarperCollins Publishers.
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