expression, ichidan verb
bring up indulgently; coddle; spoil
Describes raising a child or pet with excessive lenience, giving in to their wishes and not disciplining them.
彼は一人っ子なので、両親に甘やかして育てられた。
Because he was an only child, he was brought up indulgently by his parents.
If you raise a dog indulgently, it can become selfish.