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1. The ability to speak freely, openly and honestly about anything; if you're going to say something, say it sinceriously.

2. To initiate any action while spreading as much good karma as possible.
When I say this I say it sinceriously.

I'm going to sinceriously raise as much money for charity as possible.
by Gingey87 January 17, 2015
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Sep 16 Word of the Day
(noun) A successful type of theft which results in an acceptable, impressive and rewarding payday for the protagonist.
Last night, hit a good lick. I brought home three figures easy for about two hours worth of my time. Not too bad I don't think.
by Nikki Stixx January 18, 2021
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2
1. The ability to speak freely, openly and honestly; about anything: if you're going to say something, say it sinceriously.

2. To initiate any action while spreading as much good karma as possible.
1. The Green Arrow normaly kept to himself, but he spoke about his problems sinceriously.

2. N8 and Timmy spoke Sinceriously when rapping in their single "Back Streets" to their upcoming Initation EP.

3.
by Nathan N8 Mitchell January 30, 2015
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4
When one is sincere and serious at the same time.
"I sinceriously think that it's time for us to sleep together".
by C.J.Superstar July 21, 2011
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6
The common act of being equally sincere and serious, simultaneously.
I sinceriously hated that bitch in that flick.
by MJH-Dawg February 28, 2008
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