[tsui] (adv) (1) just (now); (2) quite (near); (3) (See 遂に) unintentionally; unconsciously; by mistake; against one's better judgement (judgment); (P) #2227
[あそぶ(P);あすぶ(ok), asobu (P); asubu (ok)] (v5b, vi) (1) to play; to enjoy oneself; to have a good time; (2) to mess about (with alcohol, gambling, philandery, etc.); (3) to be idle; to do nothing; to be unused; (4) (as 〜に遊ぶ) to go to (for pleasure or for study); (5) (in baseball) to intentionally throw a ball to lower the batter's concentration; (P) #13143
[じょうはつ, jouhatsu] (n, vs, adj-no) (1) evaporation; (2) disappearance (of people intentionally concealing their whereabouts); unexplained disappearance; (P) #17521
[おもわず, omowazu] (adv) unintentionally; reflexively; spontaneously; involuntarily; instinctively; (P) #18979
[tsuitsui] (adv) (on-mim) (See つい) unintentionally; unconsciously; by mistake; against one's better judgement; against one's better judgment
[hyotto] (adv, vs) (1) (on-mim) (See ひょっとすると, ひょっとしたら, ひょっとして) possibly; perhaps; perchance; (2) (on-mim) unintentionally; accidentally
[ぶりっこ, burikko] (n, vs, adj-no) (See ぶる・1) cutesy girl (i.e. intentionally acts cute and cultivates an image of cuteness); child-like woman
[majiboke] (n) (unintentionally comedic) stupidity
[なにげなく, nanigenaku] (adv) unintentionally; calmly; inadvertently; innocently; (P)
[このんで, kononde] (n) by (from) choice; by (for) preference; of one's own accord; of one's (own) free will; on purpose; deliberately; intentionally; (P)
[ことさら, kotosara] (adv) intentionally; deliberately; especially
[じょちょう, jochou] (n, vs) (1) promotion; fostering; (n) (2) unwanted help (usu. unintentionally harmful); unnecessary help
[しょうちのうえで, shouchinouede] (exp) intentionally; on purpose; deliberately; taking something into account
[ふと, futo] (adv) (uk) suddenly; casually; accidentally; incidentally; unexpectedly; unintentionally; (P)
[よをあかす, yowoakasu] (exp, v5s) to intentionally pass the night without sleeping until morning