stagnant, sluggish, or slow-moving; lacking vitality or fluidity in movement, thought, or the flow of air and blood

sluggish or inactive, especially in describing a dull market or an economic downturn

to stay or be delayed in a place or a situation for a long period of time; to remain in an inferior position

(literary) to live in seclusion or to retire from public life

feeling weary and restless through lack of interest or activity