The meaning for 'ob' are:
contrary, against, towards or in the way of, against
The Latin root that means "in the way" is "via." It is commonly used in English words such as "viaduct," "viaduct," and "viability."
on account of
OB stands for Ostby and Barton
"OB" stands for Ostby & Barton
the prefix ob means against something e.g objection, obstacle, obstruction
Observe
Oh boy
opening batsman
The syllable 'ob-' is a Latin root, not a Greek one. It means 'toward, in front of'. An example of an English derivative is object, which means 'something thrown in the way'. Another example is obscene, which means 'leading towards filth'. Still another is obstruction, which means 'something built or set up in the way'.
The word "obscure" means to hide or conceal something from sight. It comes from the Latin word "obscurus" which comes from "ob", which means toward, and the root "skeu", which is Indo-European for cover or conceal. So "ob" in "obscure" basically just means toward.
"if" or "whether"Ex: Ich weiss nicht, ob ich kann. I don't know if/whether I can.
Here are five words beginning with "ob": Obstruct, Obscure, Oblique, Object, Objective.