In
The prefix Circum means around, as in the circumference is the line bounding around a circle.
Centi... Deci... Suck-O-...
Trans is probably the most obvious
The prefix of the word ordinate is or. This prefix essentially means that it is one who does something or associates with what the word is talking about.
Inedible is the mostly used prefix for this word.
semi
Prefix could be:MetaAltiMegaNeo
semi
semi
The sixth of a circle is called a sextant. The prefix: sex, meaning six. Another prefix for six is hexa.
The prefix could be semi-, hemi-, or demi- , as all are used in English.
In-. Invincible.
inter-
semi-
counter-
Retro
The prefix "in" could be used to make the opposite word insufficient.