Root Word Meanings
Define The Word
Use It In A Sentence
Identify the Prefix or Suffix
Synonyms and Antonyms
100

What does the root "bio" mean?

Life

100

What does "hydrate" mean?

To absorb water

100

Use "portable" in a sentence.

Example: The portable speaker is easy to carry around.

100

What is the prefix in "autobiography?"

Auto

100

What is a synonym for "audible?"

hearable, clear

200

What does the root "tele" mean?

Far or distant

200
What does geologist mean?

A scientist who studies the Earth

200

Use "contradict" in a sentence. 

The evidence contradicts the statement. 

200

What is the suffix in "manuscript?"

script

200

What is an antonym for "frail?"

strong, sturdy

300

What does the root "hydro" mean?

Water

300

What does "symmetry" mean?

Having equal parts

300

Use "perspective" in a sentence.

Her perspective on the issue on the issue is different from mine. 

300

What is the prefix in "transmit?"

Trans

300

What is a synonym for "gradual?"

slow, steady

400
What does the root "cred" mean?

Believe, trust

400

What does "incredulous" mean?

Unwilling or unable to believe something
400

Use "eject" in a sentence.

The pilot had to eject from the aircraft in an emergency.

400

What is the suffix in "inflexible?"

ible

400

What is an antonym for "detract"?

enhance, improve

500

What does the root "frac/frag" mean?

Break

500

What does "subterranean" mean?

Existing or occurring underground

500

Use "centennial" in a sentence. 

The city is hosting a centennial celebration for its 100th anniversary. 

500

What is the prefix in "subterranean?"

sub

500

What is a synonym for "vacate?"

leave, evacuate

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