Adverb: by chance
- By accident; fortuitously
"betrayed by a word by chance overheard";
- haply [archaic], by luck
- Without advance planning
"they met by chance";
- accidentally, circumstantially, unexpectedly
- [archaic] Through chance
"To sleep, by chance to dream...";
- perchance [archaic]
Antonym: on purpose
Encyclopedia: By chance