Adjective
The word is derived from sad
The saddest thing I can imagine is to get used to luxury. Charlie Chaplin
The saddest aspect of life right now is that science gathers knowledge faster than society gathers wisdom. Isaac Asimov
We look before and after, And pine for what is not; Our sincerest laughter With some pain is fraught; Our sweetest songs are those that tell of saddest thought. Percy Bysshe Shelley
The saddest thing is the death of the heart. Chinese Proverb
The saddest dog sometimes wags its tail. American Proverb
May the saddest day of your future be no worse than the happiest day of your past. Irish Proverb