ненадежден означава в английски

dodgy [dodgier, dodgiest]▼(unsound and unreliable)
adjective
[UK: ˈdɒ.dʒi] [US: ˈdɒ.dʒi]

precarious▼(dangerously insecure or unstable; perilous)
adjective
[UK: prɪˈk.eə.rɪəs] [US: priˈk.e.riəs]

treacherous▼(unreliable; dangerous)
adjective
[UK: ˈtre.tʃə.rəs] [US: ˈtre.tʃə.rəs]

undependable▼(not to be relied upon)
adjective
[UK: ˌʌndɪˈpɛndəbl ] [US: ʌndɪˈpɛndəbəl ]

unreliable▼(not reliable)
adjective
[UK: ˌʌn.rɪ.ˈlaɪəb.l̩] [US: ˌʌn.rə.ˈlaɪəb.l̩]

untrustworthy▼(not deserving of trust; unreliable)
adjective
[UK: ʌn.ˈtrʌs.twɜː.ði] [US: ʌn.ˈtrəˌs.twər.ði]