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不確か (ふたしか) Japanese meaning | Kotomora

不ふ確たしか

ふ

た

し

か

Common wordJLPTN1Freq.FrequencyTop 50,000

Meanings

1

na-adjective, noun

uncertain; unreliable; unclear

Describes something that is not definite, trustworthy, or clear; used for information, plans, memories, or a person's character.

その情じょう報ほうは不ふ確たしかだから、確かく認にんしたほうがいい。
That information is uncertain, so you should check it.

彼かれは不ふ確たしかな約やく束そくをよくする。

He often makes unreliable promises.

Written forms

不ふ確たしかUsage99%
Standard kanji spelling; high priority.
ふたしかUsage1%
Kana spelling is common in informal writing and when the kanji is considered difficult.

Kanji

不negative, non-, bad
確assurance, firm, tight

Similar words

不ふ明めい
不明 means 'unknown' or 'unidentified', focusing on lack of knowledge, while 不確か emphasizes unreliability or lack of certainty.
曖あい昧まい
曖昧 means 'vague' or 'ambiguous', often about expression or boundaries, whereas 不確か is about factual uncertainty or trustworthiness.

Etymology

Formed from the prefix 不 (fu-, 'not') and 確か (tashika, 'certain', 'reliable'). The combination yields 'not certain' or 'unreliable'.