boosted adjective2 •At an increased level or degree; having been improved.Megan's performance as the first woman to play the character of nightclub boss Zidler has received strong reviews and boosted interest in the show. — 2026 •Having stronger immunity, after receiving a booster dose.Not out of fear of getting sick; I’m boosted, and I think if I got the virus I would probably be fine. — 2022 formsmore boosted · most boosted
