When seeking alternatives to the word "non-obvious", one can explore a plethora of synonyms that convey the same meaning with a touch of nuance. "Subtle" signifies something elusive or delicately nuanced, while "obscure" conveys a sense of being hidden or not easily understood. "Slight" suggests a minor or barely noticeable aspect, and "implicit" points towards a clear meaning that may require uncovering. On the other hand, "enigmatic" implies a puzzling or mysterious quality, whereas "indirect" suggests an approach or expression that requires inference or interpretation. Lastly, "understated" indicates something conveyed in a discreet or restrained manner, inviting further thought or investigation. These synonyms provide an array of options to convey the notion of something not immediately apparent or easily understood.