Difference between Stagnant and Undynamic

STAGNANT vs UNDYNAMIC: ADJECTIVE

Lacking freshness, motion, flow, progress, or change; stale; motionless; still.
Not active or brisk; dull.
That stagnates; not flowing; not running in a current or steam; motionless; hence, impure or foul from want of motion
Showing little or no activity or vitality; inactive or sluggish.
Not flowing or moving, and often foul-smelling or stale.
Not circulating or flowing
Not growing or changing; without force or vitality

Dirty, Flagging, Frozen, Unchanged, Stable, Depressed, Flat, Static, Sluggish, Stagnating, Adynamic, Dead, Standing, Undynamic, Moribund

Dirty, Flagging, Frozen, Unchanged, Stable, Depressed, Flat, Static, Sluggish, Stagnating, Adynamic, Dead, Standing, Undynamic, Moribund

Who wants to be stagnant in their career?
Do you need to revitalize a stagnant board?
These colleges have been stagnant since the 1960s.
TRANSACTIONS going down but most prices holding stagnant.
Stagnant air filled with the presence of death.
Many veterinary practices struggle with stagnant client numbers.
It is meant to flow, not be stagnant.
As a result, their revenue base was stagnant.
CIRCULATION: Make sure that there is good movement in the pond, stagnant water is not good as bad bacteria grows well in stagnant water.
Corydalis has been used to move stagnant Qi and stagnant blood especially where there is chest pain, angina, arrythmia, and coronary artery disease.

It is because if the paper changeful becomes undynamic in the tooth, so it dismiss besides injure the agency.
But the cable also sounds too overdamped for my taste, a little undynamic and a lot less articulate than the Reference.
The background is not only undynamic it is unappealing.