The phrase "a clear boost" is correct and usable in written English.
It can be used to describe a noticeable increase or improvement in something, such as performance, confidence, or support.
Example: "The new marketing strategy provided a clear boost in sales over the last quarter."
Alternatives: "a significant increase" or "a noticeable improvement."
He said that it had been a clear boost to business.
This gave a clear boost to Mr. Romney, who won Republican votes by double-digit margins.
As a display of party and institutional support, Mr. Ferrer's announcement was a clear boost for the Green campaign.
Mr. Edwards's position on the ticket was described by Republicans and Democrats as a clear boost for Mr. Kerry in one obviously critical Southern state: Florida.
Bill Adler New York, June 14 , 2010 To the Editor: I completely agree with Ross Douthat that the recent electoral victories for women are a clear boost for feminism.
France's Front National (FN) hailed Brexit as a clear boost for Marine Le Pen's presidential bid next spring, as well as a move that gave momentum to the party's anti-Europe and anti-immigration line.
Results obtained using a classic western blot strip assay for HIV antibodies also showed a clear boosting of the DNA-induced response, apparently to a greater degree than obtained by DNA prime-DNA boost (see Figure 6).
A talked-about clash between the pair was never likely to come off, but having both in action at Royal Ascot is a clear extra boost to the fixture's world-class standing.
The public would have a clearer understanding of all this if those tasked with communicating these things to the public would spend less time playing stenographer to political elites whose policy incoherence they regurgitate without comment and more time actually explaining that, in fact, government spending in times like these provides a clear economic boost.
Cameron said: "Our approach is to have this very clear boost to Afghan security by funding their armed forces and police.
IGRA-positive subject show clear boosting in three studies.
