Answer: stagnant

AnswerCrossword Clue
STAGNANT

Not running

STAGNANT

Not progressing

STAGNANT

Inactive

STAGNANT
Still
STAGNANT
Moribund
STAGNANTNot running or flowing.
STAGNANTDull.
STAGNANTLacking in activity, interest, etc.
STAGNANTInactive.
STAGNANTNot flowing.
STAGNANTLike some ponds
STAGNANTMotionless
STAGNANTNot fresh, as water
STAGNANTNot moving
STAGNANTLike backwater
STAGNANTCovered with pond scum, perhaps