100% sure of something.
Without a doubt.
*Also can be used to confuse the shit out of idiots.
Black kid: Snoop Dogg is the shizzle
Person that reads: I concur
Black kid: (Confused look) Does that mean you agree?
Person that reads: Indubitably.
Black kid: (Head EXPLODES!)
Without doubt; 100% sure.
Ok, this is the best word in the english language. Just say it and it gets plastered into the back of your brain and you're hooked on this one word. Saying it over, and over, and over, and over. I love it.
Indubitably, my penis is bigger than yours.
man1: Gosh, a jolly good bash this, what?
It's a rain forest of syllables in and around my mouth.
Jack - "Have you ever tried to say they word indubitably before?"
Sam - "Hell yeah, that shit is indubitably hard to say."
Jack - "Word."
A word created and abused by two people to describe things that are certain. (Most commonly spoken with a Brittish accent) Sometimes accompanied with "indeed".
That baseball must have been hit a quarter mile....
The meaning of this word is undoubtedly, unquestionably, in a matter to remove all doubt.
EXAMPLE SENTENCE: I am indubitably certain that the concert is tonight at 7:00.
(1) Slang; cool.
(2) A phrase losely meaning "indeed
(1)Indubitably! That's good.
(2) Indubitably so, old chum! Pip pip tallyho!
of course you dumbass
Indubitably, you dumbass. Do you even need to ask?