Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb doubt

2 senses of doubt

Sense 1
doubt -- (consider unlikely or have doubts about; "I doubt that she will accept his proposal of marriage")
       => disbelieve, discredit -- (reject as false; refuse to accept)

Sense 2
doubt -- (lack confidence in or have doubts about; "I doubt these reports"; "I suspect her true motives"; "she distrusts her stepmother")
       => distrust, mistrust, suspect -- (regard as untrustworthy; regard with suspicion; have no faith or confidence in)

Antonyms of adj doubting

1 sense of doubting

Sense 1
doubting, questioning, skeptical, sceptical -- (marked by or given to doubt; "a skeptical attitude"; "a skeptical listener")

INDIRECT (VIA distrustful) -> trustful, trusting -- (inclined to believe or confide readily; full of trust; "great brown eye, true and trustful"- Nordhoff & Hall)

Similarity of adj doubting

1 sense of doubting

Sense 1
doubting, questioning, skeptical, sceptical -- (marked by or given to doubt; "a skeptical attitude"; "a skeptical listener")
       => 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)