'by chance' definitions:

Definition of 'by chance'

From: WordNet
adverb
Through chance, "To sleep, perchance to dream.." [syn: perchance, by chance]
adverb
By accident; "betrayed by a word haply overheard" [syn: haply, by chance, by luck]
adverb
Without advance planning; "they met accidentally" [syn: by chance, accidentally, circumstantially, unexpectedly] [ant: advisedly, by choice, by design, deliberately, designedly, intentionally, on purpose, purposely]

Definition of 'by chance'

From: GCIDE
  • May \May\ (m[=a]), v. [imp. Might (m[imac]t)] [AS. pres. maeg I am able, pret. meahte, mihte; akin to D. mogen, G. m["o]gen, OHG. mugan, magan, Icel. mega, Goth. magan, Russ. moche. [root]103. Cf. Dismay, Main strength, Might. The old imp. mought is obsolete, except as a provincial word.] An auxiliary verb qualifying the meaning of another verb, by expressing: (a) Ability, competency, or possibility; -- now oftener expressed by can. [1913 Webster]
  • How may a man, said he, with idle speech, Be won to spoil the castle of his health! --Spenser. [1913 Webster]
  • For what he [the king] may do is of two kinds; what he may do as just, and what he may do as possible. --Bacon. [1913 Webster]
  • For of all sad words of tongue or pen The saddest are these: "It might have been." --Whittier. [1913 Webster] (b) Liberty; permission; allowance. [1913 Webster]
  • Thou mayst be no longer steward. --Luke xvi. 2. [1913 Webster] (c) Contingency or liability; possibility or probability. [1913 Webster]
  • Though what he learns he speaks, and may advance Some general maxims, or be right by chance. --Pope. [1913 Webster] (d) Modesty, courtesy, or concession, or a desire to soften a question or remark. [1913 Webster]
  • How old may Phillis be, you ask. --Prior. [1913 Webster] (e) Desire or wish, as in prayer, imprecation, benediction, and the like. "May you live happily." --Dryden. [1913 Webster]
  • May be, & It may be, are used as equivalent to possibly, perhaps, maybe, by chance, peradventure. See 1st Maybe. [1913 Webster]

Synonyms of 'by chance'

From: Moby Thesaurus