Leisurely
Slow, Deliberate, Easygoing
な adjective
Long leisure makes everything you do leisurely and slow. You're able to perform tasks at a deliberate rate because nothing's rushing you. And you've been like this for so long, why would anything try?
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.
そんな悠長なことを言ってる時間はないよ。
This isn’t the time to talk about such leisurely things.