Meaning of the word untreated in English

What does untreated mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

untreated

US /ʌnˈtriː.t̬ɪd/
UK /ʌnˈtriː.tɪd/
"untreated" picture

Adjective

not having undergone a process or been subjected to a substance to alter its original state

Example:
The patient's condition worsened due to untreated infection.
They used untreated wood for the outdoor furniture, which quickly rotted.