Guarantee
Assurance, Warranty
noun, verbal noun
Giving evidence (or a guarantee) that you will preserve something, is giving a guarantee, assurance, or warranty.
This word is used when the emphasis is on taking responsibility for something, as in a guarantor, a product warranty, or quality assurance.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
保証人
guarantor
保証金
security deposit, guaranty money
保証期間
warranty period
メーカー保証
manufacturer's warranty
返金保証
money-back guarantee
動作保証
operation guarantee (of a product)
保証をする
to guarantee
保証を行う
to implement a warranty
保証を受ける
to receive a guarantee
保証書を失くさないようにしてください。
Please keep the warranty certificate safe.
この商品には一年間の保証が付いています。
This product comes with a one-year warranty.
私はワニカニのライフタイムメンバーですが、トーフグが五年後もあるなんて保証はないから本当にライフタイムでワニカニが使えるなんて思っていませんよ。
I am a lifetime member of WaniKani, but I don't really think I can use it for life, as there is no guarantee that Tofugu will still be around in five years.