The term 'SO SAD' can be expressed in four different crossword solutions: ALAS (4 letters), PITY (4 letters), OHGEE (5 letters), and ITSAPITY (8 letters). ALAS is an interjection used to express sorrow, regret, or grief. PITY is a feeling of sorrow or sympathy for someone else's misfortune. OHGEE is an informal expression of surprise, shock, or dismay. Lastly, ITSAPITY is an expression of sympathy or regret.