Words starting with O

To make someone do something because of a law, rule, or strong moral duty. The person has little or no real choice in the matter.

Not well known to most people; only a very small number of people know about it. Something obscure is not famous or widely recognised.

To not include something, either on purpose or by accident. You omit something when you leave it out of a piece of writing, a list, or a process.

If you are on cloud nine, you feel extremely happy and excited. Something very good has happened, and you feel as if you are floating at the highest possible point.

To make something work as well as possible. This usually means adjusting or fine-tuning a process, system, or plan so it gives the best result with the least waste.

To carefully plan and control all the parts of a complex event or process, so that it runs smoothly. This word suggests that one person is guiding everything from behind the scenes, like a conductor leading an orchestra.

Appearing to be true or real on the surface, but possibly hiding the real reason or truth. It describes something stated or shown outwardly that may not reflect what is actually going on.