Verb

(proliferat)

To increase in number or spread rapidly.

The flowers proliferated rapidly all spring.

* {{quote-book, year=2006, author=

, title=Internal Combustion , chapter=2 citation , passage=But through the oligopoly, charcoal fuel proliferated throughout London's trades and industries.  By the 1200s, brewers and bakers, tilemakers, glassblowers, pottery producers, and a range of other craftsmen all became hour-to-hour consumers of charcoal.}}

Verb

(en-verb)

To cease motion, activity, or progress:

# To cease to flow or run.

If the water stagnates , algae will grow.

# To be or become foul from standing.

Air stagnates in a closed room.

# To cease to develop, advance or change; to become idle.

#* (rfdate), Walter Scott:

Ready-witted tenderness never stagnates in vain lamentations while there is any room for hope.

#* 2003 , Ernest Verity, Get Wisdom (ISBN 1591606691), page 434:

Listening to what others say, especially to what they teach, prevents our minds stagnating , thus promoting mental growth into old age.