Ingrate
[noun]
MEANING:
1. a thankless, ungrateful person
Lugubrious
[adjective]
MEANING:
sad, gloomy or mournful
Nascent
[adjective]
MEANING:
1. having recently developed or emerged
Pathos
[noun]
MEANING:
1. an emotion or sentiment of sorrow or sympathy
2. a quality that evokes sadness or pity
Plethora
[noun]
MEANING:
1. a very large amount, superfluity or overabundance
2. an abnormality which is characterized by excessive blood in the circulatory system or in some organ or area of it