Synonym Nuance VS
How to say "Certain" in Japanese
Both words can translate to "certain", but which should you choose?
Japanese Option A
確か
たしか (tashika)
N4 / CEFR Syllabus
VS
Japanese Option B
確かな
たしかな (tashikana)
N3 / CEFR Syllabus
Nuance Contrast & Translation Difference
When translating "certain" into Japanese, you must choose carefully between 確か and 確かな.
In Japanese, 確か (たしか (tashika)) is typically associated with "certain, sure; if I remember correctly, I believe" (Syllabus Level: N4) and represents Can be an adjective.
On the other hand, 確かな (たしかな (tashikana)) maps to "certain, sure, reliable, accurate" (Syllabus Level: N3) and represents Used to describe something that is definite, reliable, or accurate. It's a な-adjective. e.g., 「確かな情報」. A literal translation of "certain" can often sound unnatural to native Japanese speakers if mixed up!
Bilingual Context for "確か"
彼の名前は確か田中さんです。
His name is Tanaka, I believe.
Bilingual Context for "確かな"
彼の話はいつも確かな情報に基づいている。
His stories are always based on reliable information.
Nuance Mastery Quiz
Which Japanese word perfectly fits this blank space?
Fill in the blank: "彼の名前は ＿＿＿ 田中さんです。" (Meaning: "His name is Tanaka, I believe.")
🎉 Correct Answer!
Remember: "確か" fits here because it means "certain, sure; if I remember correctly, I believe" in the context of: "His name is Tanaka, I believe.". "確かな" represents "certain, sure, reliable, accurate".