boost Definition

boost
verb boosted, boosting

1. To improve or encourage something or someone.

Example: boost the spirits
Thesaurus: promote, encourage, support, advance, advertise, praise, foster, beat the drum for; Antonym: hinder, undermine.
2. To make something greater or increase it; to raise.

Example: boost profits
Example: boosted the power input
Thesaurus: raise, hoist, heave, elevate, heighten, lift.
3. To promote something by advertising.
4. aerospace.
To push (a spacecraft) into orbit by means of a booster (sense 3).

noun

1. A piece of help or encouragement, etc.

Thesaurus: aid, assistance, help.
2. A push upwards.
3. A rise or increase.

Example: a boost in sales
Thesaurus: increase, addition, enhancement, expansion, supplement; Antonym: setback.

Etymology: 19c, originally US.