Unperceivably

adv. (UN-¹ 11, 5 b: cf. prec.] Imperceptibly.

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a. 1395. Hylton, Scala Perf., II. viii. (W. de W., 1494). How it is wonderly & vnperceyuably chaunged … vnto the fayrnes of an angell.

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1603. Florio, Montaigne, II. iv. 500. I vnperceauablie remooued those dolefull humours from hir.

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1695. Bp. Rochester, Disc. Clergy, 39. With the Scriptures … their Memories will unperceivably be filled.

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1713. Guardian, No. 56. [They] rolled their trains unperceivably beneath their habits.

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