by chance

English Thesaurus

1. through chance, (adv.all)

domain usage	:	archaicism, archaism,
definition	:	the use of an archaic expression (noun.communication)

2. without advance planning (adv.all)

antonym	:	advisedly, by choice, by design, deliberately, designedly, intentionally, on purpose, purposely,
definition	:	with intention; in an intentional manner (adv.all)

pertainym	:	unexpected,
definition	:	not expected or anticipated (adj.all)

antonym	:	advisedly, by choice, by design, deliberately, designedly, intentionally, on purpose, purposely,
definition	:	with intention; in an intentional manner (adv.all)

pertainym	:	unexpected,
definition	:	not expected or anticipated (adj.all)