coasting noun4 •The act of disengaging the gears of a moving vehicle and rolling along without the use of engine power. •The act of sailing along a coast, or from port to port.Glory be to God, all sublunary coastings will soon be over. Yet a little while, and we shall get into an eternal harbour. — 1772 •Drinking nolo drinks so as to imbibe less alcohol while still enjoying tippling. •A progression of symptoms after treatment, before gradual improvement begins. formscoastings