A word used by the tech-savvy to sound smarter than the really are.
More specifically:
A math term that means
perpendicular, but not just in
2D but in any dimension. Now commonly used to indicate an idea or concept that stands apart so much from everything else that it "sticks out," is "from
left field," or is "third-way."
"I have this co-worker who keeps using the word 'orthogonal,' usually after he
mentions some idea he thinks
is God's gift to man. Can't wait to get this word into my
vocab. Soon as I figure out what it means."