check on somebody/something phrasal verb (see also check)

1. to make sure that someone or something is safe, is in a satisfactory state, or is doing what they should be doing:
Honey, can you go upstairs and check on the kids?
My neighbour comes in once a week to check on things and feed the fish.

2. to try to find out if something is true or correct:
He wanted to check on the girl’s story.

[TahlilGaran] Dictionary of Contemporary English ▲

check on someone
v. To try to find out the truth or rightness of; make sure of; examine; inspect; investigate.
We checked on Dan's age by getting his birth record.
Mrs. Brown said she heard someone downstairs and Mr. Brown went down to check up on it.
You can check on your answers at the back of the book.
The police are checking up on the man to see if he has a police record.
Grandfather went to have the doctor check on his health.
Compare: LOOK INTO, LOOK OVER.

[TahlilGaran] English Idioms Dictionary ▲