" mistrustful "

1: inclined to doubt or question claims;

  * e.g., " ... we were mistrustful of the so-called miracle cure for obesity "

•  Synonyms : 

•  disbelieving,

•  distrustful,

•  doubting,

•  incredulous,

•  negativistic,

•  questioning,

•  show-me,

•  skeptical,

•  suspecting,

•  suspicious,

•  unbelieving

•  Antonyms : 

•  credulous,

•  gullible,

•  trustful,

•  trusting,

•  uncritical,

•  unquestioning

2: not feeling sure about the truth, wisdom, or trustworthiness of someone or something;

  * e.g., " ... inhabitants of that remote community tend to be mistrustful of outsiders "

•  Synonyms : 

•  distrustful,

•  doubtful,

•  dubious,

•  hinky,

•  skeptical,

•  suspicious,

•  trustless,

•  uncertain,

•  unconvinced,

•  undecided,

•  unsettled,

•  unsure

•  Antonyms : 

•  certain,

•  convinced,

•  positive,

•  sure

1: a feeling or attitude that one does not know the truth, truthfulness, or trustworthiness of someone or something;

  * e.g., " ... had an unfortunate mistrust of doctors, so her medical condition was allowed to worsen "

•  Synonyms : 

•  distrust,

•  distrustfulness,

•  doubt,

•  dubiety,

•  dubitation,

•  incertitude,

•  misdoubt,

•  misgiving,

•  mistrustfulness,

•  query,

•  reservation,

•  skepticism,

•  suspicion,

•  uncertainty

•  Antonyms : 

•  assurance,

•  belief,

•  certainty,

•  certitude,

•  confidence,

•  conviction,

•  sureness,

•  surety,

•  trust