toll-free adjective 2adverb 1 adjective2 •Of a road or highway, free to use; not requiring payment of a toll to use.The world is a toll-free toilet / Our mouths neurological assholes / And psychologically speaking / We're in a state of mental diarrhea — 1978 •(US) Of a phone call, without an additional toll, especially for a long-distance charge.Call now. The call is toll-free. Operators are standing by. adverb1 •(US) Of a phone call, without an additional toll, especially for a long-distance charge.You can call us toll-free anytime. Operators are standing by.