Always :

A. Disallow

B. Never

C. Daily

D. Descend

Answer: Option B

Solution(By Examveda Team)

Disallow : disapprove, shove away, throw away, throw off, discard.
Daily : done, produced, or occurring every day or every weekday, per diem.
Descend : move or fall downwards.
Never : at no time in the past or future, not ever.
Always : at all times, on all occasions.

Antonym of Always is Never.