Pronunciation: [lˈɛts wˈɒn hˈe͡ə dˈa͡ʊn] (IPA) 
The phrase "lets one hair down" is often used to refer to someone relaxing or letting loose. It is spelled /lɛts wʌn hɛr daʊn/ in IPA phonetic transcription. "Lets" is pronounced as "lets" with a short "e" sound, while "one" is pronounced as "wʌn" with a short "u" sound. "Hair" is spelled as "hɛr" with a slight emphasis on the "h" sound, and "down" is pronounced as "daʊn" with a diphthong vowel sound.
To "let one's hair down" is an idiomatic expression that refers to allowing oneself to relax and behave more naturally, without inhibition or formality. Originating from the literal act of undoing one's hair after it has been styled, this phrase is commonly used to describe a situation where someone becomes less reserved and drops their guard in order to enjoy themselves more fully.
The figurative meaning of "letting one's hair down" implies a break from the usual constraints or social norms that may dictate actions or behavior. It suggests a sense of freedom and liberation, allowing an individual to be more open, carefree, and authentic. This expression often indicates a desire to release stress, let go of worries, and revel in a more relaxed or informal environment.
When one "lets their hair down," they may engage in activities that are considered to be enjoyable or entertaining, without worrying about how they might be perceived by others. It involves embracing one's natural inclinations, engaging in uninhibited conversations, expressing oneself more candidly, and perhaps even partaking in lighthearted or spontaneous behavior.
Overall, "letting one's hair down" signifies a departure from the usual self-imposed constraints, enabling individuals to unwind and fully enjoy a moment or experience by embracing a more carefree and genuine version of themselves.
