Select the most appropriate meaning of the given idiom.
A piece of information received by word of mouth has no authenticity.
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. in spoken form.
"Word of mouth" refers to information that is passed verbally from one person to another, rather than being written down or officially verified.
In this sentence, "Word of mouth" means the information was heard informally from someone else and not proven, recorded, or from a reliable source.
Eg- "I heard through word of mouth that the store is closing, but there’s no official notice yet."