Definition of "unwarily"

One day as I unwarily did gazeOn those fayre eyes, my loves immortall light;The whiles my stonisht hart stood in amaze,Through sweet illusion of her lookes delight;

1595, Edmunde Spenser [i.e., Edmund Spenser], “(please specify the sonnet number or title)”, in Amoretti and Epithalamion. […], London: […] [Peter Short] for William Ponsonby; reprinted in Amoretti and Epithalamion (The Noel Douglas Replicas), London: Noel Douglas […], 1927,

For in a night the best part of my power,As I upon advantage did remove,Were in the Washes all unwarilyDevoured by the unexpected flood.

c. 1596 (date written), William Shakespeare, “The Life and Death of King Iohn”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, [Act V, scene vii]

Not that licence and levity and unconsented breach of faith should herein be countnanc’t, but that some conscionable, and tender pitty might be had of those who have unwarily in a thing they never practiz’d before, made themselves the bondmen of a luckles and helples matrimony.

1643, John Milton, Doctrine and Discipline of Divorce

Th’ Ambitious Youth, too Covetous of Fame,Too full of Angels Metal in his Frame,Unwarily was led from Vertues ways,Made Drunk with Honour, and debauch’d with Praise.

1681, John Dryden, Absalom and Achitophel‎, lines 309–312

[…] the rest of the morning was easily whiled away, […] in dawdling through the green-house, where the loss of her favourite plants, unwarily exposed, and nipped by the lingering frost, raised the laughter of Charlotte […]

1811, [Jane Austen], Sense and Sensibility […], volumes (please specify |volume=I to III), London: […] C[harles] Roworth, […], and published by T[homas] Egerton, […]