These adjectives mean free from guile, cunning, or sham. Naive sometimes connotes a credulity that impedes effective functioning in a practical world: “this naive simple creature, with his straightforward and friendly eyes so eager to believe appearances” (Arnold Bennett). Simple stresses absence of complexity, artifice, pretentiousness, or dissimulation: “Those of highest worth and breeding are most simple in manner and attire” (Francis Parkman). “Among simple people she had the reputation of being a prodigy of information” (Harriet Beecher Stowe). Ingenuous denotes childlike directness, simplicity, and innocence; it connotes an inability to mask one's feelings: an ingenuous admission of responsibility.Unsophisticated indicates absence of worldliness: the astonishment of unsophisticated tourists at the tall buildings.Natural stresses spontaneity that is the result of freedom from self-consciousness or inhibitions: “When Kavanagh was present, Alice was happy, but embarrassed; Cecelia, joyous and natural” (Henry Wadsworth Longfellow). Unaffected implies sincerity and lack of affectation: “With men he can be rational and unaffected, but when he has ladies to please, every feature works” (Jane Austen). Guileless signifies absence of insidious or treacherous cunning: a guileless, disarming look.Artless stresses absence of plan or purpose and suggests unconcern for or lack of awareness of the reaction produced in others: a child of artless grace and simple goodness.
When she was young and naive, she had dreamed of such a job.
Oh, so you are still naive enough to hope he'll stick around.
You're a naive little child.
Almost all of them stared with naive, childlike curiosity at Pierre's white hat and green swallow-tail coat.
Dean realized from his past experience that being forthcoming and subjecting himself to interrogation without an attorney was naive but the entire idea of his trying to kill Shipton was so ludicrous in his mind, he tended to minimize the seriousness of the situation.