Meaning: If you fill out a form, you complete it by writing in the spaces provided.Synonym: fill in, complete (formal)
- fill sth out Take this form, fill it out, and then bring it back.
- fill out sth Do you like filling out questionnaires or those survey booklets?
fill out: form, questionnaire, exam booklet, survey
Note: Both "fill in" and "fill out" can have this meaning, and both are correct.
Our cable TV company is doing a viewer survey, and they want us to fill out this