Learner's definition of PERSONAL
always used before a noun
1 a : belonging or relating to a particular person
b : made or designed to be used by one person c — used to describe someone whose job involves working for or helping a particular person
This is just my personal opinion/preference.
I can only tell you what I know from personal experience.
He added his own personal touches to the recipe.
We don't accept personal checks.
He is a personal friend of mine.
She is always concerned about her personal appearance.
We provide each of our customers with personal service.
Golf is a personal interest of mine.
2 a [more personal; most personal] : relating to a person's private feelings, thoughts, problems, etc.
b : relating to the parts of your life that do not involve your work or job
May I ask you a personal question?
That information is very personal, and you have no business asking about it.
c — used to describe the feelings of two people who know and deal with each other
He doesn't speak much about his personal life.
The company car is not for personal use.
I had to leave work early because I had some personal matters/problems/issues to take care of.
Is the letter personal or about business?
a personal phone call
We have a close personal relationship.
He is a good boss, but I don't get along with him on a personal level.
3 [more personal; most personal] : relating to a particular person's character, appearance, opinions, etc., in a way that is offensive or hurtful
His speech included some personal remarks about me that I found offensive.
He took her comment as a personal insult.
It's nothing personal [=I don't mean to offend you], but I'd rather not talk to you about it.
Nothing personal, but why are you still friends with him?
Let's not get personal here.
4 always used before a noun : done by a particular person instead of by someone else who is working or acting for that person 5 always used before a noun : relating to a person's physical body or health