opine
- v express one's opinion openly and without fear or hesitation
- v expect, believe, or suppose
operate
- v direct or control; projects, businesses, etc.
- v perform as expected when applied
- v handle and cause to function
do not operate machinery after imbibing alcohol - v perform a movement in military or naval tactics in order to secure an advantage in attack or defense
- v happen
- v keep engaged
- v perform surgery on
The doctors operated on the patient but failed to save his life
oppose
- v be against; express opposition to
We oppose the ban on abortion - v fight against or resist strongly
The senator said he would oppose the bill - v contrast with equal weight or force
- v set into opposition or rivalry
- v act against or in opposition to
- v be resistant to
The board opposed his motion
oppress
- v come down on or keep down by unjust use of one's authority
The government oppresses political activists - v cause to suffer
opsonize
- v make (cells) more susceptible to the action of phagocytes
opt
- v select as an alternative over another
She opted for the job on the East coast