Prefixes Quiz

What prefix should be added to "regular" to mean not regular?

• in

• im

• ir

• il

Answer explanation

The prefix 'ir' should be added to 'regular' to mean not regular. Therefore, the correct choice is 'ir'.

Which word means the opposite of "possible"?

• inpossible

• impossibly

• impossible

• nonpossible

Answer explanation

The word that means the opposite of 'possible' is 'impossible'. Therefore, the correct choice is 'impossible'.

What prefix would you add to "legal" to mean not legal?

• il

• in

• im

• ir

Answer explanation

The correct prefix to add to 'legal' to mean not legal is 'il'. When added, it forms the word 'illegal', which means not legal.

Choose the word that has a prefix meaning "opposite of" or "not."

• Disagree

• Agree

• Agreement

• Agreeable

Answer explanation

The word 'Disagree' has the prefix 'dis-' which means 'opposite of' or 'not', making it the correct choice in this context.

What prefix should be added to "mature" to mean not mature?

• in

• im

• non

• ir

Answer explanation

Adding the prefix 'non' to 'mature' changes the meaning to 'not mature', making it the correct choice.

Which of the following words means "to not approve"?

• Approve

• Disapprove

• Unapprove

• Inapprove

Answer explanation

The word that means 'to not approve' is 'Disapprove', as it is the opposite of 'Approve' and indicates a lack of approval.

What prefix would you add to "balance" to mean the opposite of balance?

• un

• dis

• anti

• de

Answer explanation

The correct prefix to add to 'balance' to mean the opposite is 'dis'. Therefore, the correct choice is 'dis'.

Which word means "not active"?

• Inactive

• Unactive

• Disactive

• Nonactive

Answer explanation

The word that means 'not active' is 'Inactive'. The other options are not commonly used or recognized as correct synonyms for 'not active'.

What prefix should be added to "respect" to mean the opposite of respect?

• ir

• in

• dis

• de

Answer explanation

The prefix 'dis' should be added to 'respect' to mean the opposite of respect, making it 'disrespect'.

Choose the word that has a prefix meaning "against."

• Antibiotic

• Biotic

• Probiotic

• Symbiotic

Answer explanation

The correct choice is 'Antibiotic' as the prefix 'Anti-' means 'against.' The other options do not have the prefix indicating opposition or against.