List of English idioms starting with D

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A dime a dozen

When something is described as a dime a dozen, it means that it is very common and easy to find.

The idiom suggests that the item has little special value because there are so many of them. It is often used to explain why something is not considered rare or important.

Cheap souvenirs are a dime a dozen.

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A drop in the ocean

The expression a drop in the ocean, or a drop in the bucket means a very small amount compared to what is really needed. It helps explain that even though an effort was made, it was not enough to make a noticeable difference. People often use this phrase when talking about money, time, or help that is too small to solve a big problem.

The donation was a drop in the ocean compared to the cost of repairs.

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At the drop of a hat

The idiom at the drop of a hat means someone is ready to start immediately, without hesitation. This came from the old American tradition of dropping a hat to signal the start of a race or fight.

He would leave town at the drop of a hat.

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Damned if you do, damned if you don't

Damned if you do, damned if you don't means that every available choice leads to trouble.

The phrase has been used in English for many years. It expresses the idea of being trapped between equally bad outcomes.

He felt he was damned if you do, damned if you don't when deciding whether to report the issue.

Photo of a dark horse

Dark horse

The idiom dark horse means a ordinary seeming person or thing that is not expected to succeed, but surprises everyone by doing very well.
The saying comes from horse racing, where an unknown horse could unexpectedly win.

She was a dark horse and ended up winning the contest.

Photo of a nail in a door

Dead as a doornail

Something is dead as a doornail if it is completely dead or no longer working.

The phrase has been used in English for many centuries. A doornail was a metal nail fixed firmly into a door, making it lifeless and immovable.

After the battery failed, the old phone was as dead as a doornail.

Photo of a dead end road

Dead end

A dead end is a situation where no progress can be made. There are no good options left, so nothing you try and do will work. This phrase comes from a literal dead end road.

After weeks of trying, the search felt like a dead end.

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Dead in the water

The idiom dead in the water means unable to move forward or make progress. Plans may be stuck and nothing is happening.

The image comes from a boat that cannot move on the water. A similar idiom is to take the wind out of your sails.

Without the right parts, the repair was dead in the water.

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Death by a thousand cuts

Death by a thousand cuts means failure caused by many small problems rather than one big one. The damage builds over time.

The phrase comes from an old method of execution in China in which repeated small cuts were made. This became a metaphor for gradual harm.

Trying to budget these days is like death by a thousand cuts with subscriptions.

Photo of a deer in headlights

Deer in headlights

Acting like a deer in headlights describes someone who looks frozen, shocked, or confused when something sudden happens. The person may stare and not react right away.

This expression comes from how a deer sometimes stops and stares when bright car headlights shine on it at night. The animal can become still and unsure of what to do.

When the teacher asked him a question he did not expect, he just stood there like a deer in headlights.