What does the word obviate mean?

Usage examples for obviate

  1. The relief from present difficulties was great, but of course the gift did not obviate the necessity for the girls seeking work and wages. – A Houseful of Girls by Sarah Tytler
  2. This arrangement would allow the Northern Pacific to run its trains into Portland and would obviate the necessity of constructing its own road into that city. – The Railroad Builders A Chronicle of the Welding of the States, Volume 38 in The Chronicles of America Series by John Moody