|1.||[ noun ] a feeling of thoughtful sadness|
|Related terms:||sadness pensiveness gloom world-weariness heavyheartedness|
|2.||[ adjective ] characterized by or causing or expressing sadness|
"growing more melancholy every hour" "her melancholic smile" "we acquainted him with the melancholy truth"
|3.||[ noun ] (psychology) a constitutional tendency to be gloomy and depressed|
|4.||[ noun ] (biology) a humor that was once believed to be secreted by the kidneys or spleen and to cause sadness and melancholy|
|Related terms:||humor liquid_body_substance|