[tsui](adv) (1) just (now); (2) quite (near); (3) (See 遂に) unintentionally; unconsciously; by mistake; against one's better judgement (judgment); (P)#2227[Add to Longdo]
[tsuitsui](adv) (on-mim) (See つい) unintentionally; unconsciously; by mistake; against one's better judgement; against one's better judgment[Add to Longdo]