The most common and most likely answer to this crossword clue is the 5 letter word MATTE
M
A
T
T
E
More clues leading to the result MATTE
- Coarse metal, lustreless
- Mask concealing final character in affair
- Dull Apostle abandoned by married couple?
- Dull affair having no end
- Masked image, thing with end obscured
- Dull thing to discuss — no conclusion reached
- Dull friend
- Substance mostly used as a mask in film-making
- Thing took the bottom off the mask
- Most of the thing is dull
Buddy explains!

The straight part
We know that "Masked image" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case masked image = matte.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 MATTE mean?
MATTE noun- A decorative border around a picture used to inset and center the contents of a frame.
- A background, often painted or created with computers
- (pyrometallurgy) The molten metal sulfide phases typically formed during smelting of copper, nickel, and other base metals.
- Dull; not reflective of light.