1Healthy and unlikely to fall ill (for people), or sturdy and unlikely to break (for objects); an na-adjective used for both people's health and the durability of things.
祖母は80歳を過ぎても丈夫で、毎日散歩している。
My grandmother is still healthy past 80 and takes a walk every day.
このテーブルは丈夫にできているので、重い物を置いても平気だ。
This table is built sturdily, so it's fine even with heavy things on it.
登山用の靴は丈夫なものを選んだほうがいい。
It's better to choose sturdy shoes for hiking.
子どもが丈夫に育ってくれて安心した。
I was relieved that my child grew up healthy and strong.