Prefixes
Suffixes
Synonyms
Antonyms
Context Clues
100

pre- (preheat)

before (heat before)

100

-ful or -ous

full of

100

cold

freezing (other answers may be accepted)

100

hot

burning (other answers may be accepted)

100

Is there anything more majestic than a dolphin? They are one of the most beautiful and graceful animals on Earth.

beautiful & majestic

200

re- (redo)

again (do again)

200

-less

without

200

friendly 

pleasant (other answers may be accepted)

200
pleased

unhappy (other answers may be accepted)

200

If you visit the Grand Canyon, you will see vast expanses, or wide open spaces, at park overlooks.

wide open spaces

300

dis- (dislikes)

does not (does not like)

300

-ly

in a way

300

intelligent

smart (other answers may be accepted)

300

interesting

boring (other answers may be accepted)

300

A sloth is a very sluggish animal that likes to hang from trees. It's nothing like energetic squirrels that always want to play.

slow; lazy

400

un- (uninterested)

not (not interested)

400

-d or -ed

past tense

400

fortunate

lucky (other answers may be accepted)

400

extraordinary

normal (other answers may be accepted)

400

Eskimos sometimes live in igloos made of snow and ice. Their homes include an oil lamp which provides light and warmth.

homes made of snow and ice

500

in-, im-, ir-, il- (impossible, illegal)

not (not possible, not legal)

500

-er

a person who

500

dedicated

hard working (other answers may be accepted)

500

fiction

non-fiction (other answers may be accepted)

500

Did you know that rabbits are nocturnal animals? Their well-developed hearing ability helps them locate low-pitched sounds in total darkness at night.

awake or active at night

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