RED HOT ROOT WORDS

Lesson 11 AgainstPrefixes

Mrs. Pope7th Grade Reading

All TogetherPrefixes Meaning Words You Already

Know

ant, anti against antifreeze, antiseptic

contra, counter against counterclockwise, contrast

ob against, facing observe, object

antagonistThe hero in the story was very kind, and the antagonist was extremely evil.

antagonist

nounan opponent

antiseptic

nounSomething used to kill germs;Adjective- free of germs

antisepticShe cleaned the wound with antiseptic before bandaging it. antagonist

antisocial

adjectiveUnable to socialize with other people; not sociable

antisocial

He is so antisocial ; he never wants to do things with other people.

contradiction

nouna statement that is opposite to another statement

contradiction

Cory’s statement was a contradiction of what James said happened.

counterbalance

nounA weight used to balance another weight;verb

;

To balance or offset

counterbalance

When sitting on a teeter totter, it’s a good idea to have someone about the same weight to counterbalance you.

counterproductive

adjectiveProducing the opposite of what is desired or intended

counterproductive

Her actions were completely counterproductive; in fact they made the task more difficult.

oblique

verbNot straight; slanting, inclined, or sloping

oblique

Draw a oblique line through the square to make two triangles.

obnoxious

adjectiveVery unpleasant and objectionable.

ance

The rotting fruit gave off an obnoxious smell.

obnoxious

obscure

verbTo make unclear; to conceal or make less obvious

obscureate

He tried to obscure his footsteps by brushing a tree branch over the trail.

obstinate

adjectiveunyielding; unreasonably determined to have one’s own way.

obstinate

The obstinate child kicked and screamed when she didn’t get what she wanted.

synthesize

verbTo form a new things by combining parts from other things; to unite or merge.

synthesize

The medical researcher synthesized a new drug by blending two existing remedies.

The End