A mash-up of the word Potentially and probably, implying that something has potential and is likely or probable to meet said thing's potential.
Cob house's are protentiably the best way to build a house.

The word "Protentiable" is protentiably cromulent.
by Jae Pea Crispy September 28, 2013
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Professionally pretentious.

adj. Its a spoonerism, a combination of two words to make some shit up...
dude, have you ever watched six feet under?
yeah, bro. its good, but the director allan ball thinks hes intellectually above all of us. ooooh, a story about funeral homes, and death, youre sooo coool.

theres a song by tal bachman "shes so high above me", that everyone thinks is sung by everclear. its not.
the bitch in the song is protentious.
by ducty December 27, 2011
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