What does "predestinarian" mean?

One who believes in predestination.

How do you pronounce "predestinarian"?

Pronounced //pɹiːˌdɛs.tɪˈnɛəɹi.ən//.

Common synonyms include: calvinist, calvinistic, determinist, fatalist, jansenist, predestinationist.

/pɹiːˌdɛs.tɪˈnɛəɹi.ən/ adj, noun

adj, noun ·Rare ·Advanced level

Noun

1
One who believes in predestination.
2
anyone who submits to the belief that they are powerless to change their destiny wordnet

Adjective

1
Of or relating to predestination. not-comparable
"But it is wrong to stress only the predestinarian aspect of protestantism […]."

Adjective

1
of or relating to predestination; holding the doctrine of predestination wordnet

"But it is wrong to stress only the predestinarian aspect of protestantism […]."

From predestine + -arian.