覚束無い

(1)not established beyond doubt; still undecided or unknown; "an uncertain future"; "a manuscript of uncertain origin"; "plans are still uncertain"; "changes of great if uncertain consequences"; "without further evidence his story must remain uncertain"

(2)全く確立していない

(3)まだ未決定であるか未知の

(4)lacking clarity or distinctness; "a dim figure in the distance"; "only a faint recollection"; "shadowy figures in the gloom"; "saw a vague outline of a building through the fog"; "a few wispy memories of childhood"

(5)明快さまたは特異性が不足しているさま

(6)fraught with uncertainty or doubt; "they were doubtful that the cord would hold"; "it was doubtful whether she would be admitted"; "dubious about agreeing to go"

(7)不確実性あるいは不確かさをはらんだ

(8)liable to be erroneous or misleading; "an undependable generalization"

(9)誤りのある、または誤解されやすい

(10)lacking or indicating lack of confidence or assurance; "uncertain of his convictions"; "unsure of himself and his future"; "moving with uncertain (or unsure) steps"; "an uncertain smile"; "touched the ornaments with uncertain fingers"

(11)信用または保証が足りない、または足りないことを示している