In the following question a certain relation exists between the first two words. The same relation also exists between the third and the fourth word. Out of these four words one word is missing and is denoted by a question mark in the question. Find out the missing word from the words given below.
Obey : Defy :: Work : ?

Rest

The missing word is Rest.

The relationship between Obey and Defy is that they are antonyms of each other.

Rest is the opposite of Work. Working involves expending energy, while resting involves conserving energy.

The other options are not correct because:

• Lazy means unwilling to work, which is not the opposite of work.
• Idle means not working or having nothing to do. Lazy and Idle imply a lack of motivation to work, but they aren't exact opposites of work.
• Labour means hard work, which is not the opposite of work.