Slang dictionary
you’re so sound
[yoo r soh sound]
does you're so sound mean?
You’re so sound is something you might say to someone you admire, especially in the UK and Ireland. Sound, as a slang adjective, can mean “excellent.”
Where does you’re so sound come from?

You’re so sound is a phrase that hinges on the word sound as an adjective, not the “noisy” noun. Sound, meaning “free from special defect or injury,” has been recorded as far back as the 1200s.
Many additional meanings were born over the next few centuries. In the 1500s, dzܲԻreferred to someone “healthy,” especially with respect to venereal diseases. In the1600s, sound became something “financially safe” as well as “excellent,” “admirable,” or “dependable.”
By the mid-1800s, soundwas further attributed to people considered “trustworthy” or “of sober ܻ岵Գ.”
In the 20th century in the United Kingdom and Ireland, soundspread as a slang term for someone you like or something that you enjoy, similar to “cool” or “awesome,” hence an expression likeyou’re so sound.
good for you! it's a really sound show Ari.
— James' House (@BlackBelted)
Examples of you’re so sound

Who uses you’re so sound?
Describing someone as sound, e.g., telling themyou’re so sound, can be done by people of all ages and in a variety of contexts. It generally praises them for being “excellent” or “admirable” in some way.
Sound can celebrate everyone from famous celebrities and athletes…
Gary Lineker is so sound.
— Jimenez_Fan (@Jack0NeiII)
…to everyday relationships and random acts of kindness.
Would anyone like to be my bf genuinely so sound n will eat a Chinese w u n am also a giggle x
— lauren reid ❤️ (@laurenreid_x)
Honestly mate I’d probably pay no I’d definitely pay £50 for a chippy to get delivered to me anyone please come on it’s character building you’re so sound please
— Jenna Hay (@jennaeloisehay)
Note
This is not meant to be a formal definition of you’re so sound like most terms we define on Dictionary.com, but is rather an informal word summary that hopefully touches upon the key aspects of the meaning and usage of you’re so sound that will help our users expand their word mastery.