Antonyms of adj trustful

1 sense of trustful

Sense 1
trustful (vs. distrustful), trusting -- (inclined to believe or confide readily; full of trust; "great brown eye, true and trustful"- Nordhoff & Hall)

distrustful (vs. trustful) -- (having or showing distrust; "a man of distrustful nature"; "my experience...in other fields of law has made me distrustful of rules of thumb generally"- B.N.Cardozo; "vigilant and distrustful superintendence"- Thomas Jefferson)
        => cynical, misanthropic, misanthropical -- (believing the worst of human nature and motives; having a sneering disbelief in e.g. selflessness of others)
        => doubting, questioning, skeptical, sceptical -- (marked by or given to doubt; "a skeptical attitude"; "a skeptical listener")
        => jealous, green-eyed, overjealous -- (suspicious or unduly suspicious or fearful of being displaced by a rival; "a jealous lover")
        => leery, mistrustful, suspicious, untrusting, wary -- (openly distrustful and unwilling to confide)
        => misogynic -- ((used of men) having deep-seated distrust of women)
        => oversuspicious -- (unduly suspicious)

Similarity of adj trustful

1 sense of trustful

Sense 1
trustful (vs. distrustful), trusting -- (inclined to believe or confide readily; full of trust; "great brown eye, true and trustful"- Nordhoff & Hall)
       => confiding -- (willing to entrust personal matters; "first she was suspicious, then she became confiding")
       => unsuspecting, unsuspicious -- (not suspicious; "deceiving the unsuspecting public")
          Also See-> credulous#1