The water in the stagnant pond quickly took on an unpleasant smell.
The stagnant water smelled nasty.
The stagnant water was unsafe to drink because it was not moving.
The stagnant water tasted disgusting which made me immediately spit it out in the sink, impolitely.
'this stagnant problem' is not a sentence; a sentence requires a subject and a verb. This phrase could be the subject of a sentence if you add a verb:This stagnant problem has bothered us long enough.
Do not refill your canteen from stagnant water. I left the company because my career became stagnant.
methane is produced in the stagnant water in rice fields...
Fishes swam merrily under the surface of the pond.
Unlike rushing water in a river, water in a pond is stationary and stagnant. 1 stagnant water or air is not moving and therefore smells unpleasant: Few fish survive in the stagnant waters of the lake. 2 not developing, growing or changing: The new investments are aimed at reviving the stagnant economy. The housing market has been largely stagnant over the past few months.
Example sentence with the word "advise":"I would advise you not to do that."
This is an example of a sentence using the word breakfast.
The elephants gathered around a stagnant watering hole since they were too tired to look for a freshwater source. The stagnant water smelled awful.
The brackish water had an unpleasant, salty taste and smelled foul. Using another word for brackish: The salty water was stagnant and unpleasant.