- Occur to: Enter one’s mind: Didn’t it OCCUR TO you to help me when you saw how much trouble I was in?
- Open up: Start to talk freely about something: She hates to OPEN UP and discuss her feelings.
- Operate on: Perform surgery: She was OPERATED ON for eight hours.
- Opt for: Choose: I OPTED FOR an endowment mortgage and lost a lot of money.
- Order about: Boss or command someone in an unpleasant way: She’s always BOSSING us ABOUT.
- Owe to: Be the reason for something: She OWES her success TO hard work and determination.
- Own up: Confess: Nobody OWNED UP to breaking the window.