at all adventures

Prepositional phrase

1. (obsolete) At random, in any manner, any which way; in whatever way one can, as best one can.
   • Yet all men couet to haue their children speake latin: and so do I verie earnestlie too. We bothe, haue one purpose: we agrée in desire, we wish one end: but we differ somewhat in order and waie, that leadeth rightlie to that end. Other would haue them speake at all aduentures: and, so they be...1570, Roger Ascham, “The first booke for the youth”, in The Scholemaster, London, page 3
   • Am I in earth, in heaven, or in hell?
     Sleeping or waking? mad or well-advised?
     Known unto these, and to myself disguised!
     I’ll say as they say and persever so,
     And in this mist at all adventures go.c. 1594 (date written), William Shakespeare, “The Comedie of Errors”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount...
2. (obsolete) No matter what might happen, come what may.
   • And whan Arthur saw the noblenesse of thys chambre, and specyally of this bedde he had great plesure to behold it and sayd to him selfe how that at all aduentures he wold lye downe on the bedde, and not to ferre for anye drede of death […]c. 1560, John Bourchier, 2nd Baron Berners (translator), Arthur of Brytayn, London: Robert Redberne, Chapter 43, p. 47
   • […] can we so slightly depress the all wise purpose of a deliberating God, as if his consultation had produc’d no other good for man but to joyn him with an accidental companion of propagation, which his sudden word had already made for every beast? nay, a far less good to man it will be found, if...1645, John Milton, chapter 9, in The Doctrine and Discipline of Divorce, London, page 49