Opposites with Prefixes
Prefixes in Action (verbs)
Suffixes -ful / -less
Word Formation
Mixed Challenge
100

This is the opposite of “loyal.”

disloyal

100

He didn’t agree, he ______.

disagreed

100

A person who always helps is ______.

helpful

100

Add the correct suffix: “fame → ______”

famous

100

What prefix can mean “too much”?

(over-)

200

Add a prefix to make the opposite of “mature.”

immature

200

The magician made the rabbit ______. 

disappear

200

A driver who doesn’t take care is ______.

careless

200

Add the correct suffix: “nation → ______”

(national)

200

What prefix can mean “not enough”?

(under-)

300

What’s the opposite of “ambitious”? 

unambitious

300

I couldn’t open the door because I couldn’t ______ it.

unlock

300

Don't worry about the dog. He's completely harm___

harmless

300

Add the correct suffix: “danger → ______”

(dangerous)

300

Fill in: “pain” → ______ (with suffix to mean “causing pain”).

(painful)

400

Complete: The opposite of “reliable” is ______.

unreliable

400

The shop asked for too much money. They ______ me.

overcharged

400

Something that causes no pain is ______.

painless

400

Add the correct suffix: “enjoy → ______”

(enjoyable)

400

Fill in: “sleep” → ______ (with suffix to mean “without sleep”).

(sleepless)

500

Give four different prefixes you can use to make opposites.

un-, dis-, im-, in-, il-, ir-

500

Please don’t throw that plastic bag away. You can ____ (use) it.

reuse

500

A story that cannot be forgotten is ______.

unforgettable

500

Add the correct suffix: “success → ______”

(successful)

500

Which is the correct spelling: “peaceful” or “peacefull”?

(peaceful)

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