The term 'quaint plaint' can be broken down into six crossword solutions: DRAT (4 letters), FIE (3 letters), EGAD (4 letters), BAH (3 letters), ALAS (4 letters), and AHME (4 letters). DRAT is an expression of annoyance or frustration, while FIE is an exclamation of disapproval. EGAD is an expression of surprise or dismay, and BAH is an expression of contempt or disbelief. ALAS is an expression of sorrow or regret, and AHME is an expression of sympathy or pity. Together, these words form a phrase that expresses a range of emotions, from frustration to sympathy.