for aught one knows

adverb

Roget 491: ignorantly etc. adj.; unawares; for anything, for aught one knows; not that one knows.   

Roget 156: by chance, accidentally, by accident; casually; perchance etc. (possibly) 470; for aught one knows; as good would have it, as bad would have it, as luck would have it, as ill-luck would have it, as chance would have it; as it may be, as it may chance, as it may turn up, as it may happen; as the case may be.    ... show more

Roget 514: if, if so be; an; on the supposition etc. n.; ex hypothesi [Lat.]; in the case, in the event of; quasi, as if, provided; perhaps etc. (by possibility) 470; for aught one knows.    ... show more

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