Both Uses

dyspeptic
in
Anne Of Green Gables
(Edited)

We're to have two kinds of jelly, red and yellow, and whipped cream and lemon pie, and cherry pie, and three kinds of cookies, and fruit cake, and Marilla's famous yellow plum preserves that she keeps especially for ministers, and pound cake and layer cake, and biscuits as aforesaid; and new bread and old both, in case the minister is dyspeptic and can't eat new.
p. 168.3

dyspeptic = prone to indigestion
Mrs. Lynde says ministers are dyspeptic, but I don't think Mr. Allan has been a minister long enough for it to have had a bad effect on him.
p. 168.4 *

dyspeptic = get indigestion

Definitions:

(1) (dyspeptic)
having a sour or irritable attitude; or relating to indigestion or discomfort in the digestive system
(2) (meaning too rare to warrant focus)