Definitions of oppose:

• verb:   oppose with equal weight or force
• verb:   be against; express opposition to

  Example: "We oppose the ban on abortion"

• verb:   be resistant to

  Example: "The board opposed his motion"

• verb:   act against or in opposition to
• verb:   set into opposition or rivalry
• verb:   fight against or resist strongly

  Example: "The senator said he would oppose the bill"