► 形容動詞定か [(1)さだか] [
定かでない] [liter]
meaning: certain rank: 3☆ この
治療法の
効果は
未だ定かでない ⇨ The effectiveness of this treatment is not yet certain
(☛ Usually used in negative as “定かで(は)ない”)More examples:- その情報の真偽の程は定かでない ⇨ It is not clear if that information is true or false
- 真偽の程は定かでない ⇨ It’s not clear how true or false it is