Stands for Optimal Binary Search Tree, a binary search tree with an extra probability parameter where the expected number of comparisons from keys i to j is min (i≤r≤j {e(i,r−1)+e(r+1,j)+w(i,j)}, if i≤j)
The Obstructionist in Chief is a very stable genius who has obstructed every possible investigation into every treasonous thing he has done since his stint as POTUS began.
People and vehicles at airshows and airports charged with the vitally important task of obstructing photographers trying to get pictures of the aircraft. They typically wear orange shirts and/or reflective vests to enhance their visibility. They are best known for making their appearance *just* when the most interesting aircraft of the entire event is about to pass by, remaining present until they have spoiled the photo opportunity, and then returning to their lair.
adj. - The quality of being in the way. - With a negative connotation (suggesting or implying "unjustly" obstacular or obstacular due to incompetence). Usually referant to a human being, but can also apply to an inanimate object, such as an obstacular car driven by an ill-willed or incompetent person.
Middle manager, Fudley, was obstacular to my progress up the company ladder; he was selfishly and personally motivated and utilized "dirty" tactics.