Undiscernibly

adv. [UN-¹ 11 and 5 b: cf. UNDISCERNABLY adv.] = INDISCERNIBLY adv.

1

1655. Jer. Taylor, Repentance, v. § 5. Disc. (1674), 635. While one habit lessens, another may undiscernibly increase.

2

1681. Flavel, Right Man’s Ref., 183. The angels … working secretly and undiscernibly, but very effectually.

3

1802. Eng. Encycl., VI. 118/2. The ideas … are very near, and undiscernibly like.

4

1862. Geo. Eliot, Romola, II. v. It is probable that his imperious need of ascendancy had burned undiscernibly.

5