Booster Meaning
/ˈbustɚ/Definition, CEFR level B2, pronunciation, examples, and quiz.
Listen pronunciation
Definition
nounSomething that boosts.
nounEllipsis of booster seat.
Sentence Examples
You should get a tetanus booster shot once every ten years.
The immunity from vaccines can wear off, which means booster vaccines might be needed.
CEFR Practice Quiz
The doctor recommended a COVID-19 ____ shot to strengthen immunity.
CEFR Practice Quiz (Alternate)
You may need a ____ shot to maintain your immunity to the virus.
Word Origin & History
Etymology tree English boost Proto-Indo-European *-yósder. Proto-Italic *-āzijos Latin -āriusnom. Latin -āriusbor. Proto-Germanic *-ārijaz Proto-West Germanic *-ārī Old English -ere Middle English -ere English -er English booster From boost + -er.
Literary Quotations & Historical Citations
"DUBNER: Now, the Children's Hospital of Philadelphia, some officials there, after we published these findings in the New York Times, wrote a letter to the editor, and it said, "Our research consistently shows that child safety seats and booster seats significantly lower the risk of serious injury compared to seatbelts alone." They go on to say that your recommendations to rethink car-seat laws are "irresponsible and dangerous"...
LEVITT: I think what's irresponsible and dangerous is accepting mediocrity, accepting our existing solutions as if they are the best solution. What I take away from the research is we've put in all of these laws about child car seats and we've built these contraptions but then when you look at the data, they're really not doing better, certainly not much better, than this other invention, which never had kids in mind and shouldn't work at all."
— 2021 January 13, Stephen Joseph Dubner, “How Much Do We Really Care about Children?”, in Freakonomics Radio, Episode 447:
"The Pied Piper treats Lowenstein as a metaphor for American post-war liberalism and subjects a once highly regarded political movement to the same scrutiny Lowenstein himself faces. Not too surprisingly, both come out wanting, though their boosters claim otherwise."
— 1985 August 24, Gordon Gottlieb, “CIA-Baiting a Liberal Closet Queen”, in Gay Community News, volume 13, number 7, page 12:
"Nor is his district quite the Democratic bastion boosters describe: voters there narrowly backed Barack Obama in 2008, but voted for Mr Bush by a hefty margin in 2004."
— 2012, “Lexington: A fiscal hawk, grounded”, in The Economist:
"In the September vaccine monitor survey from the Kaiser Family Foundation, 71 percent of unvaccinated respondents said the need for boosters indicated that the vaccines were not working."
— 2021 October 11, Jan Hoffman, “Boosters Are Complicating Efforts to Persuade the Unvaccinated to Get Shots”, in The New York Times, →ISSN:
"Another notable new series of locomotives, now in course of delivery to the Canadian National Railways, [...]. Fifteen are being built by the Montreal Locomotive Works Limited, and ten by the Canadian Locomotive Company, of Kingston, Ontario; the former are being provided with boosters and the latter are not."
— 1941 January, “Recent North American Locomotives”, in Railway Magazine, page 27:
Explore More B2 Vocabulary Words
CEFR Practice Quiz
The doctor recommended a COVID-19 ____ shot to strengthen immunity.
CEFR Practice Quiz (Alternate)
You may need a ____ shot to maintain your immunity to the virus.