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Booster

n. hopeful, kind warm

What it means

Meaning 1

A person who enthusiastically supports and promotes someone, a group, or a cause.

Reach for it when naming an active encourager whose confidence helps others

The retired coach remained a loyal booster of the girls' football program.

Meaning 2

An additional dose or device that renews or increases an earlier effect.

Reach for it when referring to a supplementary increase in protection, power, or signal

The engineer added a signal booster to reach the far end of the hall.

Words to choose between 7

By register, from playful at the top to literary at the bottom, and by meaning across. Tap a word to see when it fits.
Meaning 1Meaning 2
playful
everyday
warm
  • Booster (this word)
professional
formal

Meaning 1: A person who enthusiastically supports and promotes someone, a group, or a cause.

  • playful

    cheerleader

    Fits when energetic encouragement is appealing

    Not when the label could sound patronizing

  • everyday

    supporter

    Fits when steady backing matters more than publicity

    Not when enthusiastic promotion distinguishes the person

  • professional

    champion

    Fits when someone actively argues for resources

    Not when quiet encouragement is the actual role

  • professional

    promoter

    Fits when attracting attention or business is the role

    Not when personal loyalty should be conveyed

  • formal

    advocate

    Fits when informed public representation is central

    Not when consistently positive promotion matters more than debate

Meaning 2: An additional dose or device that renews or increases an earlier effect.

  • professional

    amplifier

    Fits when a device raises signal strength

    Not when an extra medical dose is being named

  • formal

    supplement

    Fits when an addition strengthens existing provision

    Not when renewal or amplification is specific

Opposites 3

  • detractor
  • critic
  • inhibitor

Common phrases 3

  • loyal booster

    A loyal booster can still offer honest private criticism.

  • confidence booster

    Completing one real task was a better confidence booster than vague praise.

  • signal booster

    The signal booster eliminated the dead zone behind the stage.

Definitions and examples are written for this site. How words are chosen Recording: Commander Keane, Australian accent, from Wikimedia Commons, CC BY-SA 4.0 Updated