Be uninhibited about doing or saying something. For example, Feel free to borrow the car whenever you need it, or You want to state the case? Feel free. For a synonym, see be my guest.
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.