anti-

/ˈænˌti/prefix
Middle School
1

Against, opposed to.

2

Counteracting, neutralizing.

3

The opposite of what is typically expected.

4

Physically opposite, reverse in position or direction.

5

A rival or counterpart to.

6

Composed of antimatter.

7

Reacting with immunoglobins found in the specified animal.

Thesaurus