An incredibly brilliant melodic death metal act that hails from Gothenburg, Sweden. Their talent for harmonic composition is unparalleled by anyone since Beethoven, as best exemplified by their 1995 release, The Gallery. Formed in 1989, their lineup has remained fairly stable compared to other Swedish acts.

Members:
Mikael Stanne - Vocals, former guitarist
Anders Jivarp - Drums
Niklas Sundin - Guitar
Martin Henriksson - Guitar, former bassist
Michael Nicklasson - Bass
Martin Brandstrom - Keyboards, electronics

Former Members:
Anders Friden - Vocals (now in In Flames)
Fredrik Johansson - Guitar
Uneducated metalhead: Man, Gothenburg metal sucks. It's all commercialized, uninspired crap nowadays.
Me: Obviously you haven't heard of Dark Tranquillity.
by Stand Ablaze September 29, 2005
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The desired period of solitude and quietness when in a public restroom enabling oneself to release the bowels uninterrupted and unfettered.
I couldn’t snap my deuce this morning until I got some facility tranquility. It was like grand central station in the shitter for ten minutes.
by Eaton Holgoode January 10, 2019
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Best ket in England eh.
Found at festivals but apparently is only visible to the k-holed eye.

"Tranquilizer Tony was at Kendal Calling and gave us stuff that sent us sideways."
"Tranquilizer Tony was at Kendal Calling and gave us stuff that sent us sideways."
by Tranquilizer Tony January 2, 2019
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1. jew camp
2. the best place you will ever go
3. where strange things happen
dude1: yo did you go to tranquillity camp?
dude2: yea i had the best time ever


girl1: DID YOU SERR HOOK UP WITH HIM?
by -gold January 11, 2009
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Known as "K" a.k.a Ketamine; a sedative, euphoric hallucinagenic in the form of crystalized powder causing a out body experience when ingested, snorted or taken venously.
by aqua man 54321 January 23, 2012
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An expression that falls under the umbrella term of Red Zebra. Used to convey the feeling of wishing to be asleep.
Person 1: What kind of Red Zebra are you?
Person 2: Red Zebra Tranquilizer gun
by 70RedZebra's March 1, 2022
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amy cant get pregnant for a while , she just got her beaver tranquilizer shot
by Dr. cock an balls May 23, 2010
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