The most common and most likely answer to this crossword clue is the 3 letter word SOB
S
O
B
More clues leading to the result SOB
- Very black blubber
- Content of this obituary makes one weep
- React emotionally when retired manager loses son
- Very British cry
- Conscientious objector suppresses cry of remorse
- Initially insulting expression makes one weep
- American insult making you cry?
- Lazy individual shedding pounds and blubber
- Anguished cry from head retiring shortly
- Queen leaves grave to weep convulsively
Buddy explains!

The straight part
We know that "cry of remorse" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case cry of remorse = sob.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 SOB mean?
SOB noun- A cry with a short, sudden expulsion of breath.
- Sound of sob
- To weep with convulsive gasps.
- To say (something) while sobbing.
- To soak.