Top Definition
Pharmaceutically, a non-endogenous compound in the field of biological/organic chemistry. Essentially meaning, the unnatural occurence or man made molecule.
Oxymorphone is a semi synthetic compound derived from naturally occurring thebaine and morphine found within the opium poppy plant. Fentanyl, another opioid agonist is not derived from any endogenous compound; therefore it is considered a fully synthetic chemical.
by j-hood3 September 20, 2009
1 more definition
Fake. Unnatural fibers used in braiding hair.
"Gurl, you know that synthetic hair only costs 99 cents..."
by The cherry 1! July 16, 2005

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.