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

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Fake. Unnatural fibers used in braiding hair.
"Gurl, you know that synthetic hair only costs 99 cents..."
by The cherry 1! July 16, 2005

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Basic or Fake; a person (usually caucasian and female) who is fake on social media and portrays themself as a better person than they really are
Tiffany is so synthetic. She is smiling in all her pictures even though she is a total bitch.
by Jubruption February 01, 2016

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Lotsa space for your liquids.

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The Urban Dictionary Mug

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The Urban Dictionary Mug

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The Urban Dictionary T-Shirt

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The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

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