1.
unexpectedly; by chance; unintentionally
Something happens without anticipation or intention. Often carries a sense of pleasant or neutral surprise.
Related Words
Related:
意外と (unexpectedly)
Synonym:
案外 (unexpectedly (casual))
Related:
たまたま (by chance)
Compare:
ふと (suddenly, casually)
Compare:
予期せず (unexpectedly)
Compare:
偶然に (by chance)