WWordGenerator.org GeneratorsWord ListsBlogAboutGenerate a word Home / B / booster unit booster unit noun /bustərjunɪt/ 12 letters Scrabble 13 WWF 16 Definitions noun the first stage of a multistage rocket boosterbooster rockettakeoff boostertakeoff rocket Look “booster unit” up elsewhere Wiktionary ↗ Merriam-Webster ↗ Etymonline ↗ Dictionary.com ↗ Want another word?Spin the dictionary for a fresh one. Generate a word →