Because of the economy drive, they very unwillingly surrendered some superfluous posts.

A. important

B. relevant

C. significant

D. essential

Answer: Option B

Solution(By Examveda Team)

superfluous : unnecessary.
important : of great significance or value.
relevant : closely connected or appropriate to what is being done or considered.
significant : sufficiently great or important to be worthy of attention.
essential : extremely important.


Antonym of superfluous is relevant