The most common and most likely answer to this crossword clue is the 1 plus 4 plus 3 letter word I DARE SAY
I've seen this crossword clue in Independent
I
D
A
R
E
S
A
Y
More clues leading to the result I DARE SAY
- Wild daisy covering most of area, maybe
- Perhaps one may risk speaking
- A Yardie’s ground, supposedly
- Botched areas? DIY, probably
- A year after building raised, probably
- It’s likely that Ray’s idea is kinky
- Possibly, I am not afraid to speak
- Year’s aid distributed, presumably
- One’s not afraid to speak, probably
- Princess taking years off, as my supposition may have it?
Buddy explains!

The straight part
We know that "probably" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case probably = i dare say.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.