The most common and most likely answer to this crossword clue is the 6 letter word SILENT
I've seen this crossword clue in Financial Times
S
I
L
E
N
T
More clues leading to the result SILENT
- Listen out for mum
- Saying nothing is kept up over period of religious observance
- Dumb as leading character in Psycho?
- Keeping mum and boy in squat
- Christmas Eve was such a quiet night
- Mum let sin get out of control
- Mum is retrogressing fast
- Like early 10s, one’s rising fast
- Is perversely advanced still
- Mum is regressing fast
Buddy explains!
The straight part
We know that "Mum" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case mum = silent.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 SILENT mean?
SILENT noun- That which is silent; a time of silence.
- A silent movie
- Free from sound or noise; absolutely still; perfectly quiet.
- Not speaking; indisposed to talk; speechless; mute; taciturn; not loquacious; not talkative.
- Keeping at rest; inactive; calm; undisturbed.
- (pronunciation) Not pronounced; having no sound; quiescent.
- Having no effect; not operating; inefficient.
- With the sound turned off; usually on silent or in silent mode.
- Without audio capability.
- Hidden, unseen.
- Of an edit or change to a text, not explicitly acknowledged.
- Not implying significant modifications which would affect a peptide sequence.
- Undiagnosed or undetected because of an absence of symptoms.
- Of distilled spirit: having no flavour or odour.