Booster

7 lettersnouncommon

Updated June 2026

Definition

A person who enthusiastically supports a cause, team, or individual, or a device or dose that reinforces an initial effect.

“She was the team's biggest booster, attending every match without fail.”

Pronunciation

IPA

/ˈbustɚ/

Syllables

boost·er

Related Words

Synonyms

supporterprotagonistchampion admirer friendpromoterpluggershoplifter

Antonyms

detractorcritic opponent

Word Game Tips

🟩

Wordle

Double O after B and ends in -ER, the ST cluster in the middle is a useful mid-word clue

🔤

Scrabble

Common tiles throughout, useful for spending vowels and the terminal R and S

Words Related to Booster

Words one letter different

Change a single letter of “booster” to make these 7-letter words — useful for Wordle and crossword clues.

boaster bolster boosted

Words you can make from Booster

Shorter words formed from the letters in “booster”.

bootes reboot robots sorbet strobe besot betso boers boors boort boose boost boots bores borts boser brest broos brose oboes robes robot roose roost

Explore Similar Words

7-letter words starting with B 7-letter words ending with R All 7-letter words 6-letter words 8-letter words All word lists

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Dictionary References

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