As an adjective untreated
is not treated.
As a verb mistreated is
(mistreat).
untreated
English
Adjective
(-)
Not treated.
Antonyms
* treated
mistreated
English
Verb
(head)
(mistreat)
Anagrams
*
mistreat
English
Verb
(
en verb)
To treat someone, or something roughly or badly.
Anagrams
*