stag·nant 
(stăgnənt)
(stăgnənt)adj.
1. Not flowing or moving, and often foul-smelling or stale: stagnant ponds; stagnant air.
2. Showing little or no activity or vitality; inactive or sluggish: a stagnant economy; a stagnant mind.
[Latin stāgnāns, stāgnant-, present participle of stāgnāre, to be stagnant; see STAGNATE.]
stagnan·cy n.
stagnant·ly adv.
- stereoisomerism
- stereolithography
- stereologic
- stereological
- stereologically
- stereologist
- stereology
- stereomicroscope
- stereomicroscopic
- stereomicroscopy
- stereophonic
- stereophonically
- stereophony
- stereopsis
- stereopticon
- stereoscope
- stereoscopic
- stereoscopically
- stereoscopist
- stereoscopy
- stereotactic
- stereotactical
- stereotactically
- stereotactic radiosurgery
- stereotaxic