Choose the one which best expresses the meaning of
IMPEDE
a. Hinder
b. Reverse
c. Impose
d. Expedite

Hint: The word ‘impede’ refers to ‘delay or prevent (someone or something) by obstructing them'. It is usually used as a verb.

Complete answer:
The word ‘impede’ can be used in a sentence as follows:
For example, in the sentence ‘Choking can impede breathing’, the word ‘impede’ describes the fact that choking can lead to obstruction of breathing.

Now, we know the meaning and usage of the given word. Let’s look at the given options:

hinder - The word ‘hinder’ refers to ‘make it difficult for (someone) to do something or for (something) to happen'. This has the exact same meaning as the word ‘impede’. It is the required synonym. So, this is the correct option.

reverse - The word ‘reverse’ refers to ‘move backwards'. This has a very different meaning to the given word. It is not the required synonym. So, this is an incorrect option.
impose - The word ‘impose’ refers to ‘force (an unwelcome decision or ruling) on someone'. This has a completely different meaning to the given word. It is not the required synonym. So, this is an incorrect option.
expedite - The word ‘expedite’ refers to ‘make (an action or process) happen sooner or be accomplished more quickly'. This has a different meaning to the given word. It is not the required synonym. So, this is an incorrect option.

Note: Look at each option and try to understand the meaning of each word. Try to find the option that has the exact same meaning as the given word.