Phrases starting with the letter: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Previous word: boost
Next word: booster shot
Definition of: booster
(bs′tər) noun
1. Any device for increasing the power or thrust of an engine, mechanism, etc.
2. U.S. Colloq. One who gives enthusiastic support to a person, organization, community, or cause.
3. The first stage of a multistage rocket, the source of thrust during takeoff.
4. A booster shot.
5. Slang A professional shoplifter.
Comment about this word, ask questions, or add new information about this topic: