IPA: /mɒˈrɒsɪti/
KK: /mɔˈrɑsɪti/
The state of being gloomy or sullen, often characterized by a lack of cheerfulness.
His morosity made it difficult for others to enjoy the party.
Morosity → It is formed from "morosus" (from Latin, meaning dull or sullen) and the suffix "-ity" (meaning the state or condition of). The word "morosity" refers to the state of being sullen or gloomy.
Think of someone who is 'dull' or 'sullen' ('morosus') — that helps you remember that 'morosity' means the state of being gloomy.