1. Able to move about at will without bounds or restraint: free, unconfined, unrestrained. Idioms: at large, at liberty, free as a bird, on the loose. SeeFREE. 2. Lacking literal exactness: free, inexact. SeePRECISE. 3. Not tautly bound, held, or fastened: lax, relaxed, slack. SeeTIGHTEN. 4. Marked by an absence of conventional restraint in sexual behavior; sexually unrestrained: easy, fast, libertine, light2, wanton, whorish. SeeSEX.