unreliable
🇺🇸
/ˌʌnrɪˈlaɪəbl/
🇬🇧
/ˌʌnrɪˈlaɪəbl/
adjective
R
not able to be trusted or depended on
The weather forecast is often unreliable, so it's best to be prepared for rain even if it says sunny.
translation
not able to be trusted or depended on