Idioms beginning with O

Idiom
Meaning

Off the beaten path

Away from the usual route or course

Out of the blue

Suddenly and unexpectedly

Once in a blue moon

Very rarely

On the ball

Alert, competent, and efficient

On thin ice

In a risky or precarious situation

Out of the woods

Out of danger or difficulty

Over the moon

Extremely happy or delighted

On cloud nine

In a state of bliss or happiness

Out of sight, out of mind

When something is not visible, it’s easy to forget about it

Old hat

Outdated or old-fashioned

On the fence

Undecided or neutral about a decision or situation

On the same page

In agreement or understanding with someone

On the ropes

In a difficult or precarious situation

Out of pocket

To have spent one’s own money or be in debt

On pins and needles

Nervous or anxious anticipation

Out of commission

Not functioning or unavailable for use

Out of the ordinary

Unusual or unexpected

On the back burner

Temporarily postponed or given less priority

On the rocks

In a state of difficulty or disarray

On the same wavelength

In agreement or understanding with someone

Over the top

Excessive or exaggerated

Out of the loop

Uninformed or unaware of current events or information

Out of the question

Not feasible or acceptable

Over the hill

Past one’s prime or no longer young

Out of the frying pan into the fire

From one bad situation to a worse one

On the line

In a position of risk or under pressure

Out of touch

Lacking understanding or awareness

Once bitten, twice shy

Being cautious after a negative experience

Out of sorts

Feeling unwell or not quite oneself

Open a can of worms

To introduce a complicated or troublesome situation

Out of gas

Exhausted or lacking energy

On a silver platter

Given something without any effort or sacrifice

Off the record

Informally or unofficially

On the mend

Recovering from illness or injury

On the house

Provided at no cost

Out of bounds

Beyond the allowed limits or boundaries

Over my dead body

Absolutely not going to happen

Scroll to Top