Definitions
Sentences
Synonyms
Antonyms
Prefix/Suffix
100

To complain in a quiet voice

Grumble

100

At the museum, Fred saw ________ artifacts

ancient

100

Synonym for "brief"

Short

100

Antonym for "assemble"

break or destroy 

100

Meaning "before"

pre-

200

Breathe in quickly

Gasp

200

I had to _____ my playing to help my mom with chores.

Pause

200

Synonym for "elegant"

fancy

200

Antonym for "pause"

start or begin

200

Meaning "to do again"

re-

300

A special opportunity

privilege

300

In class, I had to ______ my idea about why birds fly.

Defend

300

Synonym for "pledge"

Promise or agreement

300

Antonym for "fragile"

Strong or sturdy

300

Meaning "without"

-less

400

To study a specific subject

research

400

I went to the store to find a ________ candy. 

Specific

400

Synonym for "gasp"

Inhale or gulp

400

Antonym for "ancient"

New or young

400

Meaning "past tense"

-ed

500

To determine the answer

Calculate

500

The scientist will _______ the germ in the lab.

Observe

500

Synonym for "Colorless"

Plain or blank

500

Antonym for "observe"

Ignore or overlook

500

Meaning "to take apart or reverse"

un-