The phrase 'cry over spilled milk' is an idiom used to describe a situation in which someone is upset about something that has already happened and cannot be changed. The crossword solutions for this phrase are OOPS (4 letters), MEW (3 letters), MEOW (4 letters), RUE (3 letters), USE (3 letters), RUED (4 letters), SPILT (5 letters), WHINE (5 letters), and OOPSIEDAISY (11 letters). OOPS and OOPSIEDAISY are both expressions of regret, while MEW, MEOW, RUE, USE, RUED, SPILT, and WHINE all refer to crying or expressing sadness.