1.
uncertain, unreliable, vague, unclear
Not definite, dependable, or clear. Used for memories, information, footing, or anything that lacks certainty or stability.
記憶が不確かだ。
My memory is uncertain.
不確かな情報を信じてはいけない。
You shouldn't believe unreliable information.
足元が不確かなので、手すりにつかまって歩いた。
My footing was unsteady, so I walked holding onto the handrail.
WORD FORMATION:
不 (not) + 確か (certain, definite). The antonym is 確か (certain).
USAGE:
Describes anything that lacks certainty — memories, information, foundations, or futures. Often used when hedging or admitting a lack of confidence in what one is saying.
COMMON COLLOCATIONS:
- 不確かな記憶: uncertain memory
- 不確かな情報: unreliable information
- 足元が不確か: unsteady on one's feet
- 不確かな未来: uncertain future
Related Words
Antonym:
確か