The phrase 'be sorry' is often used to express REGRET or remorse for something that has been done. The crossword solutions for this phrase are THEYLL (6 letters), YOULL (5 letters), RUE (3 letters), REPENT (6 letters), ATONE (5 letters), PITY (4 letters), GRIEVE (6 letters), REGRET (6 letters), and FEELBAD (7 letters). Each of these words can be used to express sorrow or REGRET for something that has been done, either by oneself or by someone else. They all imply a sense of remorse and a desire to make amends.