[ぐうぜん, guuzen] (adj-na, adj-no, n-adv, n) (by) chance; unexpectedly; suddenly; accident; fortuity; (P) #5780
[そのわりには, sonowariniha] (exp) unexpectedly; unusually; considering all that
[battari ; battan] (adv, adv-to) (1) (on-mim) with a clash; with a thud; with a bang; with a flop; plump; (2) (on-mim) unexpectedly (meeting someone); (3) (on-mim) suddenly (ending); abruptly (coming to a halt)
[pattari] (adv, adv-to) unexpectedly; suddenly; abruptly
[hyokkori ; hyokkuri] (adv) all of a sudden; suddenly; by chance; unexpectedly
[fuito] (adv) abruptly; suddenly; unexpectedly
[burari] (adv-to, adv) (1) (on-mim) dangling; (2) (on-mim) aimlessly; casually; idly; (3) (on-mim) unexpectedly
[yukurinaku] (adv) unexpectedly
[あんがい, angai] (adj-na, n-adv) unexpectedly; (P)
[なにげに, nanigeni] (adv) (1) (col) inadvertantly; for no special reason; (2) truthfully; unexpectedly; (3) after realizing; without knowing
[かんとく, kantoku] (n, vs) (1) deep realization (realisation); profound realization; (2) one's faith being transmitted to a deity and one's wish then being granted; (3) unexpectedly obtaining something
[たまたま, tamatama] (adv) casually; unexpectedly; accidentally; by chance; (P)
[いぬもあるけばぼうにあたる, inumoarukebabouniataru] (exp) (1) (id) no matter what you attempt, tragedy may befall you; even a dog, if it walks, will bump into a pole; (2) (id) good luck may come unexpectedly
[ふってわく, futtewaku] (v5k) to happen suddenly; to take place unexpectedly
[おもいがけず, omoigakezu] (adv) unexpectedly; not expecting; not dreaming of
[だしぬけに, dashinukeni] (adv) suddenly; without notice; unexpectedly
[はからずも, hakarazumo] (adv) unexpectedly
[はしなくも, hashinakumo] (adv) unexpectedly; by chance or accident
[ねんなし, nennashi] (exp) (1) unexpectedly; (2) regrettably; (3) easily
[せおいなげをくう, seoinagewokuu] (exp, v5u) to be betrayed unexpectedly; to be stabbed in the back; to be double-crossed
[ひょうぜん, hyouzen] (n, adj-t, adv-to) casually; aimlessly; abruptly; unexpectedly
[ふいに, fuini] (adv) suddenly; abruptly; unexpectedly; (P)
[ふと, futo] (adv) (uk) suddenly; casually; accidentally; incidentally; unexpectedly; unintentionally; (P)
[やぶからぼうに, yabukarabouni] (adv) unexpectedly; out of the blue