a. defeating one's expectations or hopes; failing to fulfill one's expectations or hopes; as, a disappointing result; a disappointing crop yield. [ PJC ]
[korotto](adv) (1) (on-mim) sound of something small rolling once (often into a hole); (2) disappointing; (3) complete reversal of a situation; (4) curling up into the fetal position; going to sleep suddenly[Add to Longdo]
[おしい, oshii](adj-i) (1) regrettable; disappointing; (2) precious; dear; valuable; (3) too good for; deserving better; (4) almost but not quite; (P)[Add to Longdo]