What is another word for "suspicious"?

Roget's Thesaurus (1911) lists these synonyms for "suspicious": aloof, belief, believe, cynic, cynical, cynicism, deaf, disbelieve, disposed, distrust, distrustful, doubt, ear, faith, hard, heretic, heterodox, hold, ignore, inconvincible, incredulity, incredulous, incredulousness, irreligion, misbeliever, mistrust, pyrrhonism, pyrrhonist, refuse, scrupulosity, scrupulous, shut, shy, skeptic, skeptical, skepticism, suspicion, turn, unbelief, unbeliever.