What does the idiom "straight from the horse's mouth" mean?

Idioms are generally defined as groups of words that form a meaningful whole when they come together, even though the words in them do not make sense on their own. They have produced many idioms according to their own cultural characteristics in communities using the English language. What does straight from the horse's mouth mean? In what situations is straight from the horse's mouth used?

Meaning of "straight from the horse's mouth"


The idiom ‘straight from the horse’s mouth’ is used to refer to when a person provides reliable information, usually directly from the source. This idiom is usually used when referring to information that is either common knowledge that cannot be disputed or information that comes directly from the person or people who are most qualified to speak on the matter. The idiom implies that the source of the information is reliable and trustworthy, as if one were to get their information directly from the horse’s mouth.


The origin of the phrase ‘straight from the horse’s mouth’ is believed to come from the 18th century when horse racing began. During this time, the prominent horse trainers and owners would periodically give out information on their horses’ performances and potential for winning races. Because these people were considered the most knowledgeable about their horses and their chances of winning a race, people began referring to the information they provided as “straight from the horse’s mouth.”


The phrase ‘straight from the horse’s mouth’ is commonly used in everyday speech and writing. It is often used to emphasize the reliability of information, especially when the source of the information has knowledge or authority about the matter in question. It can also be used to describe information that is widely believed or accepted as true, whether or not it comes from a reliable source.

Example Sentences

  • We confirmed the date of the conference straight from the horse’s mouth, so we know it’s accurate.
  • The interviewer must have heard it straight from the horse’s mouth because the news was confirmed shortly after.
  • Do you think the rumor is true? I heard it straight from the horse’s mouth so it must be!

The meanings of the words in the "straight from the horse's mouth" idiom

Idioms have a common language

"The early bird catches the worm" is an English idiom that means that those who wake up early and start their day early are more likely to succeed. A similar idiom in Spanish is "El que madruga, Dios le ayuda," which translates to "God helps those who rise early." This idiom emphasizes the importance of starting the day early in order to achieve success.


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