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booster
The term carries a strong sense of acceleration and augmentation. It describes an external force added to an existing system to push it past a threshold or maintain a level of performance that would otherwise decline. It is often associated with high energy, sudden bursts of power, or critical reinforcements. In social contexts, the word shifts from mechanical power to emotional or financial support. A booster is not just a fan, but an active amplifier of a group's reputation. In medical or technical contexts, it implies a necessary supplement to ensure a primary system remains functional or effective.
Countable when referring to physical objects like a rocket stage or a vaccine dose.
Meanings
A rocket engine used to provide additional thrust during the initial stage of a launch.
"The satellite was carried into orbit by a powerful liquid-fuel booster."
A person who actively promotes or supports a cause, team, or organization.
"The university has a dedicated booster club to fund the athletic programs."