1. A synthetic organism, or "synth", is a being that is wholly or mostly robotic, like an android. A synth can be humanoid or animal-like. Coined from the 2015 Bethesda game, Fallout 4.

2. A person who seems so perfect or robotic, they could be mistaken for a synthetic person.
1. "We have to watch out, because I hear that scientists are making synths to replace real people."

2. "Have you seen those Property Brothers? They seem too masculine and perfect. They're pretty much Canadian synths.
by DiddlyDerp February 15, 2016
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Short for synthesizer, a synth is a keyboard-type intstrument that can be programmed to play any type of sound imaginable. Most commonly, synths are programmed to sound like electronic keyboards. Used properly, as by Pete Townsend or Rich Wright synths can be pleasing and add depth to a song. However, used improperly, synths can make a song sound cheesy, for example, like in much eighties music.
1. Baba O' Riley's probably the best song ever! The synth melody is awesome!
2. Did you hear "The Final Countdown" by Europe? Those synths made me want to throw up!
by Laffin Boy April 14, 2007
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the sound of the eighties. synths are enjoyable.
Duran Duran, Human League, Berlin, the list goes on...
by JenThe80'sFan April 21, 2004
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short for synthesizer the most badass instrument ever.
the korg ms-20 will fry your brain for real
by dubpl8s January 7, 2004
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Synthetic drugs (MDMA, GHB, ketamine, acid or LSD, etcetera), as opposed to herbal (weed)
I prefer synths over herbs.
by catfight12 January 13, 2009
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A notoriously difficult section of the Guitar Hero 3 chart "Through the Fire and Flames" by power metal band DragonForce, beginning approximately 3 minutes and 50 seconds into the track and ending with an instrumental bridge. The section is characterized by fast arpeggiating notes that will usually make or break an FC (full combo) of the chart. Synth death is usually done by more skilled players through a method known as "tapping", but can be an extreme point of contention for those who are newer or less experienced at Guitar Hero.
My TTFAF FC run was going smoothly up until synth death made me lose my streak and fail.
by Acriimony August 10, 2019
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Music with dashes of dance, new wave, pop, indie, electronic, and sometimes goth. Though it Varies from band to band. (Always has a synth)

bands such as Ladytron and Freezepop are synth-pop
by aliali December 14, 2005
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