If something is sturdy, it is strong and will not break easily.
Sturdy things make people feel safe and secure.
Examples:
The table is sturdy and won't break.
I need a sturdy box to carry my toys.
She wore sturdy shoes for the long walk.
The sturdy tree didn't fall in the storm.
My dad is so sturdy, he can lift a car!
I feel sturdy when I wear my superhero cape.