verb. ['ənˈsɛtəl'] disturb the composure of.
1. Verb, base form Just drinking a glass of milk can unsettle your stomach and may even lead to migraine headaches. 2. Preposition or subordinating conjunction Does the prospect of waiting three days between workouts unsettle you?
1. I think the attempt to defend belief can unsettle it, in fact, because there is always an inadequacy in argument about ultimate things. - Marilynne Robinson, Gilead