Spell Bee Word: invalidate

Basic Details

Word: Invalidate

Part of Speech: Verb

Meaning: To make something not valid or not acceptable.

Synonyms: Nullify, annul, cancel

Antonyms: Validate, confirm, support

Idioms and Phrases

1. Invalidate someone’s beliefs: To prove that someone's beliefs are wrong or misguided. Example: "The scientific evidence seemed to invalidate her beliefs about gravity."
2. Invalidate the results: To determine that the results of something are no longer considered valid. Example: "After finding a mistake, they had to invalidate the results of the competition."

Usage Examples

Example 1: The judge decided to invalidate the contract because it was signed under false pretences.

Example 2: If you do not follow the rules, your application may be invalidated.

Example 3: The new law could invalidate previous agreements made between the two countries.

Fun Fact

The word "invalidate" comes from the prefix "in-" meaning "not" combined with "validate," which means "to make valid." It highlights the process of removing the validity of something.

Famous Quote

"To be invalidated is to be acknowledged in a way that is not authentic." - Anonymous

Multiple Choice Questions (MCQs)

1. What does "invalidate" mean?

a) To confirm something as true
b) To make something not valid
c) To support someone's opinion
d) To celebrate an event

Answer: b) To make something not valid

2. Which of these is a synonym of "invalidate"?

a) Validate
b) Annul
c) Support
d) Encourage

Answer: b) Annul

3. Which word means the opposite of "invalidate"?

a) Cancel
b) Confirm
c) Nullify
d) Abandon

Answer: b) Confirm

4. Which sentence uses "invalidate" correctly?

a) The teacher will invalidate the homework if it is late.
b) We will invalidate the birthday party if the weather is nice.
c) The medal will invalidate her efforts.
d) I will invalidate my decision to go based on his advice.

Answer: a) The teacher will invalidate the homework if it is late.

5. Which idiom means to prove someone's belief is incorrect?

a) Invalidate the results
b) Validate the truth
c) Invalidate someone’s beliefs
d) Strengthen your opinions

Answer: c) Invalidate someone’s beliefs