On the average

Generally, usually.On the average, I get about eight hours of sleep every night.

On the alert (for someone or something)

Watchful and attentive for someone or something.The police are on the alert for the man who robbed the small store.

On the air

Being broadcast on radio or TV.The television program has been on the air for three years now.

On target

On schedule, exactly as predicted.Our company is on target to have its best year of sales ever.

On standby

To be waiting for a seat or ticket to become available on a train/plane/bus.We decided to fly to visit my parents on standby.

Out of consideration for (someone or something)

Thinking about someone's feelings or needs, considering someone's feelings or needs.The police did not release the names of the accident victims... Read more →

Out of condition

Not in good physical condition.I am out of condition and I need to exercise more.

Order (someone) around/about

To give commands to someone.Our new supervisor is always trying to order people around.

The order of the day

Something necessary, the usual practice.The order of the day is to clean up the mess that the storm caused last night.

Or words to that effect

With other words that have a similar meaning.My boss told me not to begin the project now or words to that effect.