Of, relating to, or affecting the parasympathetic nervous system: parasympathetic activity; parasympathetic agents. (adjective)
The parasympathetic nervous system.(noun)
Any of the nerves of this system.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "parasympathetic" in a sentence
"Once the threat has diminished, the part of our bodies known as the parasympathetic nervous system then brings everything back into order."
"The other system you have is called the parasympathetic and it is associated with being totally relaxed."
"He said this gradual development of diabetes "happens through what is called the parasympathetic nervous system, not directly through eating food."