inconsistent

US /ˌɪn.kənˈsɪs.tənt/
UK /ˌɪn.kənˈsɪs.tənt/
"inconsistent" picture
1.

incoerente, incostante

not staying the same throughout, or not in agreement with something

:
His statements were inconsistent with the evidence.
Le sue dichiarazioni erano incoerenti con le prove.
The quality of the product has been inconsistent.
La qualità del prodotto è stata incostante.