Source : WordNet®

wash out
     v 1: prevent or interrupt due to rain; "The storm had washed out
          the game" [syn: {rain out}]
     2: wash free from unwanted substances, such as dirt; "Wash out
        your dirty shirt in the sink"
     3: wear or destroy by the force of water; "The hail storms had
        washed out the bridges"
     4: remove by the application of water or other liquid and soap
        or some other cleaning agent; "he washed the dirt from his
        coat"; "The nurse washed away the blood"; "Can you wash
        away the spots on the windows?"; "he managed to wash out
        the stains" [syn: {wash}, {wash off}, {wash away}]
     5: deplete of strength or vitality; "The illness washed her
        out"
     6: drain off the color in the course of laundering; "The harsh
        soap washed out the delicate blouse"
     7: lose color in the process of being washed; "The expensive
        shirt washed out in the German washing machine"