失効が大切です
shikkougataisetsudesu
expiration is important
N1
How to remember this word
A memory tip for this word is coming soon. For now, try linking it to a real moment from your day — words anchored to real situations stick best.
Example sentence
明日、失効が大切です。
あした、しっこうがたいせつです。
ashita, shikkougataisetsudesu.
Tomorrow, expiration is important.
Usage note
Common phrase with 失効 (expiration / lapse).