naive

adj

1. Lacking worldly experience, wisdom, or judgement; unsophisticated.

   “Whether by design or driven by the force of circumstances, they have always directed their main effort toward gaining the support of this "elite," while the more conservative groups have acted, as regularly but unsuccessfully, on a more naive view of mass democracy and have usually vainly tried directly to reach and to persuade the individual voter.”

   “I am sixteen going on seventeen, I know that I'm naive”

   “The salarians believed the genophage would be used as a deterrent, a position the turians viewed as naive. Once the project was complete, the turians mass produced and deployed it. The krogan homeworld, their colonies, and all occupied worlds were infected.”

2. Not having been exposed to something.

   “Animals entering shelters are either (a) immunologically naïve and susceptible to infection and development of disease if exposed to pathogens; (b) already immune […]”

3. Produced in a simple, childlike style, deliberately rejecting sophisticated techniques.

   “By 1921 when Miró painted his key work, naive painting had been recognized by the avantgarde art world as a genre in its own right.”

4. Intuitive; designed to follow the way ordinary people approach a problem.

   “We have experiments of running our matching algorithm and a naive matching algorithm for such a term tree and a tree, and have compared the performance of the two algorithms.”

noun

1. A naive person; a greenhorn.

   “As a seasoned woman—of nineteen—I felt it was my place to tell each of these naïves that such plans were easier made than followed.”

   “In other words, they'd buy securities from these naives for 55 and sell them similar securities for 65. In plain English, they'd pay $550 per $1,000 bond and turn right around and sell them similar stuff for $650.”