As an abbreviation shh
is (biochemistry) sonic hedgehog homolog (protein).
As a verb shutup is
(nonstandard).
shh
English
Alternative forms
* sh
* shhh
Interjection
(
en interjection)
Requesting silence. Asking people to keep silent.
Synonyms
* hush!, shush!
shutup
English
Verb
(head)
(nonstandard)
Derived terms
* shaddup (slang)
Anagrams
*