Forlorn/fərˈlɔːrn/ Definition 1 of 3Pro Tip 1/3Emotional depth 'Forlorn' expresses deep sorrow, more than just being 'sad'. His forlorn expression spoke volumes about his grief. Pro Tip 2/3Less common 'Forlorn' is less common in everyday conversation; more literary. In her diary, she described the forlorn landscape of winter. Pro Tip 3/3Not transient 'Forlorn' suggests a lingering sadness, not a brief one. He's been forlorn ever since the loss of his friend.