incertitude

a feeling or attitude that one does not know the truth, truthfulness, or trustworthiness of someone or something a growing incertitude about the honesty of the housekeeper they had just hired Synonyms distrust, distrustfulness, dubiety, dubitation [archaic], doubt, misdoubt, misgiving, mistrust, mistrustfulness, query, reservation, skepticism, suspicion, uncertaintyRelated Words disbelief, incredulity, unbelief; anxiety, concern, paranoia, wariness; compunction, niggle [chiefly British], qualm, scruple, tremorNear Antonyms credence, faithAntonyms assurance, belief, certainty, certitude, confidence, conviction, sureness, surety, trust