un ‧ trust ‧ wor ‧ thy /ʌnˈtrʌstˌwɜːði $ -ˌwɜːr-/ BrE AmE adjective
[ Word Family: adjective : ↑ trusting , ↑ trustworthy ≠ ↑ untrustworthy , ↑ trusty , ↑ distrustful , ↑ mistrustful ; noun : ↑ trust ≠ ↑ distrust ≠ ↑ mistrust , ↑ trustee , ↑ trusteeship , ↑ trustworthiness ; verb : ↑ trust ≠ ↑ distrust ≠ ↑ mistrust ]
someone who is untrustworthy cannot be trusted