Sadness

General low mood, or lowered mood and activity related to personal suffering, physical state, object loss, or inability to perform a desired action. The most frequently reported occurrences of sadness are: problems and/or death of friends, illness (own or other persons), problem and/or death of relatives, permanent separation of friends, failure in achievement situations, bad news (social context), bad news (mass media), temporary separation of friends, loneliness, end of pleasurable experience and general depression. Not the same as depression, or grief.

Reference:

Gartstein, M. A., & Rothbart, M. K. (2003). Studying infant temperament via the revised infant behavior questionnaire. Infant Behavior and Development, 26(1), 64-86. https://doi.org/10.1016/S0163-6383(02)00169-8

Joaquim, R. M., de Oliveira, F. C. S., Fajardo, R. S., & Caramaschi, S. (2018). Psychobiology of sadness: functional aspects in human evolution. EC Psychology and Psychiatry, 7(12), 1015-1022.