English–Japanese
“proof” in Japanese
How to say “proof” in Japanese
“Proof” in Japanese is 証 (akashi).
It makes an unseen truth clear by serving as a sign or basis for believing it.
Example sentences with 証
この笑顔は、楽しい時間を過ごした証です。ko no e gao wa tano shi i ji kan o su go shi ta akashi de su
This smile is proof that we had a good time.
Tips for using 証
- In phrases such as 努力の証 (doryoku no akashi), the word can mean a visible sign of an achievement or feeling, not only formal proof.
Other Japanese words for “proof”
証明が必要です。shō mei ga hitsu yō de su
Proof is necessary.
この理論にはまだ実証が必要です。ko no ri ron ni wa ma da jis shō ga hitsu yō de su
This theory still needs proof.

