unreliable

/ˌʌnɹɪlˈa‍ɪəbə‍l/

/ˌənɹiˈɫaɪəbəɫ/, /ˌənɹɪˈɫaɪəbəɫ/

unreliable

ненадійний

not showing enough assurance to be dependend on or trusted

antonyms : reliable

Examples

1. The detective is chasing down a lead that is likely to be a wild goose chase, as it's based on unreliable information.

2. Mary keeps lending money to her unreliable friend, even though she never gets paid back.

3. "The temperature record is unreliable."

4. humans are unreliable.