ARTLESS

without guile; open and honest

characterized by an inability to mask your feelings

simple and natural

SYN - ingenuous

"What he enjoyed about Jenny is that she was artless - he never had to guess what she was thinking or if she was hiding something."

"The fact that he was artless was both his greatest trait and his greatest downfall. It made him by default a real and honest person, but on the flip side not too many people are smart enough to apreciate such uninhibited honest."

"He realized in that last fatal moment that he had mistaken Patrice to be an artless women, when in fact she was a complex being full of deceitful cunning."