Antonyms of adj overjealous

1 sense of overjealous

Sense 1
jealous, green-eyed, overjealous -- (suspicious or unduly suspicious or fearful of being displaced by a rival; "a jealous lover")

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 overjealous

1 sense of overjealous

Sense 1
jealous, green-eyed, overjealous -- (suspicious or unduly suspicious or fearful of being displaced by a rival; "a jealous lover")
       => 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)