wa·ter·less \ˈwȯ]d.ə(r)lə̇s, ˈwä], ]tə(r)-\adjective Etymology: Middle English waterles, from Old English wæterlēas, from wæter water + -lēas -less 1.: destitute of or deficient in water : dry < a waterless well > < had to cross 100 miles of waterless country > 2.: not requiring water (as for cooling or cooking); often: air-cooled • wa·ter·less·lyadverb • wa·ter·less·nessnoun-es