verb (used without object), -nat⋅ed, -nat⋅ing.| 1. | to cease to run or flow, as water, air, etc. |
| 2. | to be or become stale or foul from standing, as a pool of water. |
| 3. | to stop developing, growing, progressing, or advancing: My mind is stagnating from too much TV. |
| 4. | to be or become sluggish and dull: When the leading lady left, the show started to stagnate. |
| 5. | to make stagnant. |

Stagnation
A period of little or no growth in the economy. Economic growth of less than 2-3% is considered stagnation. Sometimes used to describe low trading volume or inactive trading in securities.
Investopedia Commentary
A good example of stagnation was the U.S. economy in the 1970s.
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See also: Deflation, Disinflation, Inflation, Stagflation
stagnation stag·na·tion (stāg-nā'shən)
n.
The retardation or cessation of the flow of blood in the blood vessels, as in passive congestion.
The accumulation of a normally circulating fluid in a part or an organ.