booster

Fetched 2026-10-26 (cache).

Synonyms: bolster, rooster, boaster, boosted, wooster, booser, boster, booter, fooster, boomster, boyster

Antonyms: bolster, rooster, boaster, boosted, wooster, booser, boster, booter, fooster, boomster, boyster

Related words from Datamuse; suggestions, not definitions.

Noun

1. Something that [[boost]]s.
2. {{ellipsis of|en|booster seat}}.
3. {{lb|en|spacecraft component|rocketry}} The first [[stage]] of a [[multistage]] [[rocket]], providing primary or supplemental [[thrust]] for [[liftoff]] and early [[flight]].
4. {{lb|en|electrical engineering}} A [[motor]]-[[generator]] set used for [[voltage]] [[regulation]] in [[direct current]] electrical power circuits.
5. Someone who publicly promotes or endorses (something or someone); a [[fan]] or [[supporter]].
6. A [[member]] of a [[booster club]].
7. {{lb|en|immunology}} A [[booster dose]].
8. {{lb|en|explosives}} A small quantity of a [[sensitive]] [[explosive]] that is [[trigger]]ed by a [[detonator]] and provides the [[energy]] needed to [[detonate]] a larger quantity of a less-sensitive explosive.
9. {{lb|en|linguistics}} A [[term]] that serves to [[amplify]] or [[strengthen]] an [[utterance]], such as "really".
10. {{lb|en|video games}} A [[power-up]] item.
11. {{lb|en|gaming}} A [[package]] of [[card]]s or [[figurine]]s designed to add to a player's [[collection]].
12. {{lb|en|slang}} A [[thief]].

Verb

1. {{lb|en|transitive|medicine}} To give a [[booster shot]] to; to [[boost]].

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.