Adjective 1. causing or suggestive of sorrow or gloom; "a gloomy outlook"; "gloomy news" (synonym) depressing, depressive, gloomy (similar) sad
Verb 1. make unhappy; `The news of her death saddened me' (antonym) gladden, joy (hypernym) affect, impress, move, strike (hyponym) weigh down, weigh on 2. come to feel sad (antonym) gladden (hypernym) feel, experience
Saddening Definition from Encyclopedia Dictionaries & Glossaries
Sadness (also called heavy-heartedness) is emotional pain associated with, or characterized by feelings of disadvantage, loss, despair, grief, helplessness, disappointment and sorrow. An individual experiencing sadness may become quiet or lethargic, and withdraw themselves from others. Crying is often an indication of sadness.