The most common and most likely answer to this crossword clue is the 7 letter word IMPINGE
I've seen this crossword clue in Independent
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More clues leading to the result IMPINGE
- What fills blimp, in general, is to have an effect
- Magical creature stripped vocalist to make impression
- Warriors with no good expressions primarily encroach
- Influence of heartless figure pierced by nail
- Have an effect, seeing Gemini, unusually, welcoming power
- Picture getting skittle for a strike
- Troublemaker in confines of game gets to encroach
- Halting leader’s missing point — to make an impression
- Encroach for one to pinch note back
- Bellicose lot no good in front of house ultimately trespass
Buddy explains!

The straight part
We know that "make impression" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case make impression = impinge.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 IMPINGE mean?
IMPINGE verb- To make a physical impact on.
- To interfere with.
- To have an effect upon, especially a negative one.