The most common and most likely answer to this crossword clue is the 6 letter word DIMMER
D
I
M
M
E
R
More clues leading to the result DIMMER
Buddy explains!

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 DIMMER mean?
DIMMER adjective- Not bright or colorful.
- Not smart or intelligent.
- Indistinct, hazy or unclear.
- Disapproving, unfavorable: rarely used outside the phrase take a dim view of.
- Lessened, reduced
- Made to seem less important, impressive, or valuable
- Reduced by a semitone
- A rheostat that is used to vary the intensity of a domestic electric light
- A switch used to select between the low and high headlamp beam on a road vehicle. (usually as "dimmer switch", primarily in North America; elsewhere "dipswitch" or "dipper switch")