高齢化した
koureikashita
plain past: did aging (population)
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
チームで高齢化した。
ちーむ で こうれいかした。
chiimu de koureikashita.
We aging (population) as a team.
Usage note
する-verb form of 高齢化 (aging (population)).