otheruses seamless The quality of having no visible seams, often applied idiomatically to any construct, even the most vague (i.e. "seamless networking"). Seamlessness is a system quality attribute, often applied to converging or merged technologies, that refers to the degree to which the technologies present a consistent structure and paradigm in interfaces and operations, so that the transition from one technology to another is not disruptive or confusing either in usage or integration.