Both Uses of

implicit

in

Pride and Prejudice

Let me recommend you, however, as a friend, not to give implicit confidence to all his assertions; for as to Mr. Darcy's using him ill, it is perfectly false; for, on the contrary, he has always been remarkably kind to him, though George Wickham has treated Mr. Darcy in a most infamous manner.†
p. 93.2

His affection was proved to have been sincere, and his conduct cleared of all blame, unless any could attach to the implicitness of his confidence in his friend.†
p. 207.3 *

Definitions:

(1) (implicit as in: not explicitly but implicitly)
not stated directly, but understood (or capable of being understood) from something else

Shared information is often divided into two categories: That which is said explicitly (directly in words that leave no room for confusion or doubt) and that which is said implicitly.
(2) (implicit as in: implicit problem with the design)
exists as an inseparable part or characteristic
(3) (implicit as in: I trust her implicitly.)
without question or doubt