Synonyms of the word 
DOWNHEARTEDNESS → DEJECTEDNESS - DISPIRITEDNESS - LOWNESS - SADNESS - UNHAPPINESS
downheartedness
- n. The characteristic of being downhearted; sadness.
dejectedness
- n. The state or quality of being dejected.
dispiritedness
- n. The state or condition of being dispirited.
lowness
- n. The property of being low.
- n. (countable) Something that is low or vulgar.
sadness
- n. (uncountable) The state or emotion of being sad.
- n. (countable) An event in one's life that causes sadness.
unhappiness
- n. The feeling of not being happy.
If you are interested in words, visit the following sites :
- wiktionary.org/downheartedness For complete definition of a word
- 1word.ws/downheartedness to play with words, suffixs, prefixs, etc.