Both Uses

distinct
in
Insurgent, by Veronica Roth
(Auto-generated)

They also have the same strong jaw, distinct chin, spare upper lip, stick-out ears.†
Chpt 8 *

distinct = clear, easily noticed, and/or identifiable as different or separate
"Are you all right?" she says, her voice high and indistinct.†
Chpt 19

indistinct = not clear or easily identifiable

standard prefix: The prefix "in-" in indistinct means not and reverses the meaning of distinct. This is the same pattern you see in words like invisible, incomplete, and insecure.

Definitions:

(1) (distinct)
clear, easily noticed, and/or identifiable as different or separate
(2) (meaning too rare to warrant focus)