One antonym for the word "over-laps" is "distinct." When two things are distinct, they are separate and easily differentiated from each other. Another antonym is "separate," indicating that the two things do not touch or overlap. "Clear" is another antonym, meaning that there is no confusion or uncertainty about the boundaries between the two things. Conversely, "obscure" is an antonym, suggesting that the boundaries are blurry or unclear. "Different" is an antonym that indicates two things are not the same and not overlapping. Finally, "unique" is an antonym that suggests that something is one-of-a-kind and cannot overlap with anything else.