v.1. To remove or eliminate something by wiping: I wiped away the child's tears. Dust had settled on the table, so I wiped it away.
2. To destroy or eliminate something as if by wiping: A strong hurricane wiped away the entire village. Mudslides wiped our home away.
3. To reduce something to zero; invalidate something: Business was so bad this year that it wiped away all our savings. I had a big lead in the bicycle race, but a sudden burst of speed by my opponent wiped it away.