boost
boost · verb
Definitions
verb
- 1.
To help or encourage something to increase or improve.
- 2.
To push or lift someone from below.
- 3.
[informal]To steal.
- 4.
To increase the power or volume of an electronic signal.
- 5.
An increase or improvement.
- 6.
A push from below to help someone climb.
Forms
plural: boosts
Phrases & expressions
- •booster shot — an additional dose of vaccine
- •ego boost — something that increases self-confidence
- •morale boost — something that improves spirits
Related words
Etymology
Origin uncertain; possibly dialectal English. First recorded in the early 19th century in American English.