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Definitions

boost

[boost] / bust /
NOUN
increase
Synonyms
STRONGEST
addition advance breakthrough expansion hike improvement increment jump lift rise
STRONG
raise step-up upgrade
Antonyms
STRONGEST
decline decrease lessening loss shrinkage stagnation worsening
WEAK
setback
NOUN
encouragement
Synonyms
STRONGEST
aid assistance improvement lift support
STRONG
backup buildup hand handout help leg praise promotion
WEAK
goose helping hand leg up shot in the arm
Antonyms
STRONGEST
harm hindrance hurt injury stop
STRONG
check obstruction silence
WEAK
blow decrease discouragement setback
NOUN
push, usually up
Synonyms
STRONGEST
advance lift
STRONG
goose heave hoist raise shove thrust
Antonyms
WEAK
discouragement hindrance setback
VERB
further, improve
Synonyms
STRONGEST
advance encourage promote push support sustain
STRONG
advertise assist foster inspire plug praise press-agent
Antonyms
STRONGEST
discourage dissuade undermine
STRONG
condemn hide hinder set back
WEAK
decrease halt hurt prevent stop
VERB
push, usually up
Synonyms
STRONGEST
advance heighten lift raise
STRONG
elevate heave hoist shove thrust upraise
WEAK
uprear
Antonyms
STRONGEST
depress drop lower stop
STRONG
pull
VERB
increase
Synonyms
STRONGEST
add to augment develop enlarge expand extend heighten jump raise
STRONG
aggrandize amplify hike magnify multiply up
WEAK
beef up jack up
Antonyms
STRONGEST
abridge compress condense contract curtail decrease diminish lessen lower reduce repress shorten shrink stop

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Dubois could also boost her status with a fight against American Alycia Baumgardner, a big name in the United States.

From BBC • Apr. 5, 2026

Whenever I’ve needed a dopamine boost lately, two sources haven’t let me down.

From Salon • Apr. 5, 2026

Electrical muscle stimulation, or EMS, is gaining popularity in the U.S. as a potential way to boost workouts.

From The Wall Street Journal • Apr. 4, 2026

They use this leverage to boost returns and offset high fees and enable them to pay the dividends of close to 10%.

From Barron's • Apr. 4, 2026

This outburst does little but boost the boy’s status in the eyes of his friends, who take to devising ingenious ways to irritate Mr. Curran without giving themselves away.

From "Orphan Train" by Christina Baker Kline

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.