The most common and most likely answer to this crossword clue is the 6 letter word UNSAID
I've seen this crossword clue in The Daily Telegraph
U
N
S
A
I
D
More clues leading to the result UNSAID
- Presumably happy about one omitted from speech
- Happy it’s inferred to hold information — not mentioned
- Understood Saudi princes essentially playing
- International organisation’s emergency relief not conveyed
- Peacekeepers’ help is not delivered
- International group’s relief work is not declared
- Support of global organisation not announced
- Guy loses coat, and is strangely silent
- Global body’s help is not reported
- Tacit support derived from a global body?
Buddy explains!
The straight part
We know that "Tacit" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case tacit = unsaid.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 UNSAID mean?
UNSAID adjective- Unspoken.
- To withdraw, retract (something said).
- To not have said (since this is physically impossible, usually in the subjunctive).