Synonym Nuance VS
How to say "Uncertain" in Japanese
Both words can translate to "uncertain", but which should you choose?
Japanese Option A
不確か
ふたしか (futashika)
N3 / CEFR Syllabus
VS
Japanese Option B
覚束ない
おぼつかない (obotsukanai)
N1 / CEFR Syllabus
Nuance Contrast & Translation Difference
When translating "uncertain" into Japanese, you must choose carefully between 不確か and 覚束ない.
In Japanese, 不確か (ふたしか (futashika)) is typically associated with "uncertain, unreliable" (Syllabus Level: N3) and represents Describes information, facts, or situations that are not definite or reliable. Can be used predicatively.
On the other hand, 覚束ない (おぼつかない (obotsukanai)) maps to "uncertain, doubtful, unsteady, shaky, unreliable" (Syllabus Level: N1) and represents Describes something that is unstable, unreliable, or uncertain of success. Often used for movements, prospects, or memory.. A literal translation of "uncertain" can often sound unnatural to native Japanese speakers if mixed up!
Bilingual Context for "不確か"
彼の話は根拠が不確かだ。
The basis of his story is uncertain.
Bilingual Context for "覚束ない"
彼の覚束ない足取りは、見ていて危なっかしかった。
His unsteady gait looked dangerous to watch.
Nuance Mastery Quiz
Which Japanese word perfectly fits this blank space?
Fill in the blank: "彼の話は根拠が ＿＿＿ だ。" (Meaning: "The basis of his story is uncertain.")
🎉 Correct Answer!
Remember: "不確か" fits here because it means "uncertain, unreliable" in the context of: "The basis of his story is uncertain.". "覚束ない" represents "uncertain, doubtful, unsteady, shaky, unreliable".