peradventure

per·ad·ven·ture  (pûrd-vnchr, pr-)

adv. Archaic

Perhaps; perchance.

n.

Chance or uncertainty; doubt.

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[Middle English per aventure, from Old French, by chance : per, through (from Latin; see per) + aventure, chance; see adventure.]

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peradventure Archaic

Adverb

by chance; perhaps

Noun

chance or doubt [Old French par aventure by chance]

Thesaurus

Noun	1.	peradventure - doubt or uncertainty as to whether something is the case; "this proves beyond peradventure that he is innocent" doubt, doubtfulness, dubiety, dubiousness, incertitude, uncertainty - the state of being unsure of something
Adv.	1.	peradventure - by chance; "perhaps she will call tomorrow"; "we may possibly run into them at the concert"; "it may peradventure be thought that there never was such a time" maybe, mayhap, perhaps, possibly, perchance