Which of these words would best substitute for the word immoral in a sentence?

a. Zenith

b. Capricious

c. Affinity

d. Dishonest

D. Dishonest.

The meaning of immoral is: not conforming to accepted standards of morality.

Dishonest: behaving or prone to behave in an untrustworthy or fraudulent way.

Capricious: given to sudden and unaccountable changes of mood or behavior.

Affinity: a spontaneous or natural liking or sympathy for someone or something.