
Stagnant
Literal Stillness
When used literally, 'stagnant' refers to water or air with no movement. It implies a lack of freshness. 
Negative Connotation
'Stagnant' often has a negative connotation, suggesting problems or undesirability. 
Metaphorical Use
Metaphorically, 'stagnant' describes situations or places lacking activity or change. 