thinly
     adv 1: without force or sincere effort; "smiled thinly"
     2: without viscosity; "the blood was flowing thin" [syn: {thin}]
        [ant: {thickly}]
     3: in a small quantity or extent; "spread the margarine thinly
        over the meat"; "apply paint lightly" [syn: {lightly}]
        [ant: {thickly}]
     4: in a widely distributed manner; "thinly overgrown
        mountainside" [ant: {densely}]
Source: WordNet® 2.0