FILL SOMETHING IN

fill something in: translation

fill something in†

1. to add material to an indentation, hole, etc., to make it full. •

You had better fill the crack in with something before you paint the wall.

•

You should fill in the cracks first.

2. Fig. to write in the blank spaces on a paper; to write on a form. (See also Fill in the blanks.) •

Please fill this form in.

•

I will fill in the form for you.