The most common and most likely answer to this crossword clue is the 6 letter word FILLIP
I've seen this crossword clue in The Daily Telegraph
F
I
L
L
I
P
More clues leading to the result FILLIP
- Charge the least possible amount for boost
- Stock at minimum price? That’s a boost!
- Back medicine providing pick- me-up
- Consort said to give encouragement
- Sound of boy in lift
- Boost Duke’s broadcast
- Lift prince by the ears?
- Boy heard in lift
- Enough to satisfy head of Interpol before power boost
- Boost for royal consort proclaimed
Buddy explains!
The straight part
We know that "boost" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case boost = fillip.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does FILLIP mean?
FILLIP noun- The action of holding the tip of a finger against the thumb and then releasing it with a snap; a flick.
- A smart strike or tap made using this action, or (by extension) by other means.
- (by extension) Something unimportant, a trifle; also, the brief time it takes to flick one's finger (see noun sense 1); a jiffy.
- (by extension) Something that excites or stimulates.
- To strike, project, or propel with a fillip (that is, a finger released quickly after being pressed against the thumb); to flick.
- (by extension) To project quickly; to snap.
- (by extension) To strike or tap smartly.
- To drive as if by a fillip (noun sense 1); to excite, stimulate, whet.
- To make a fillip (noun sense 1) (with the fingers).