booster

Language: en

🇺🇸 /ˈbuːstɜr/

📖 Definitions

  1. noun
    A device or substance that increases power, effectiveness, or performance, such as a booster rocket or a signal booster.; An additional dose of a vaccine given to reinforce or extend immunity after the initial dose.; A person who enthusiastically promotes or supports a cause, organization, or place.; A seat or cushion that raises a child to the proper height for using a seatbelt in a vehicle.; A shoplifter or thief, especially one who steals goods from stores.; An electrical device that increases voltage or current in a circuit.

🔗 Details

Word forms

countable Plural: boosters 3rd sing.: boosters Past: boostered Past part.: boostered Pres part.: boostering

Collocations

booster shotbooster seatbooster rocketbooster dosebooster clubbooster cable

Derivatives

boostboosterismboosterish

Synonyms

promoteradvocatesupporterchampionenthusiast

Antonyms

criticdetractoropponent

Commonly confused

boost
EN: 'Boost' is the action or verb meaning to increase or promote; 'booster' is the agent, device, or person that provides the boost.
boosterism
EN: 'Boosterism' refers to the practice or policy of enthusiastically promoting a place or cause, often excessively; 'booster' is the person or thing doing the promoting.

Spelling tips

EN: No common spelling issues. Note the double 'o' in 'booster'.

💬 Examples

  1. The satellite was launched into orbit using a powerful booster rocket.

  2. Health officials recommended that everyone over 65 get a flu booster before winter.

  3. Local boosters campaigned tirelessly to attract the new factory to their town.

  4. The toddler sat in a booster seat so the seatbelt would fit correctly across her chest.

  5. The store installed new security cameras to deter boosters.

  6. The amplifier used a booster to drive the signal to the speakers.