gloomy (e.g. mood); depressing; irritating; troublesome; heavy (weather); cloudy
resentment; grudge; pent-up anger; frustration; bitterness
blood congestion; -stasis
accumulation (e.g. of emotions, grievances, etc.); buildup; suppression (e.g. of anger)
congestion; stagnation; stasis; pent-up feelings
pulmonary congestion; lung congestion