The definition of a border is an edge or dividing line.
The definition of a boundary is a line or something else that marks a limit or border.
(Physiol., Psychol.) The point at which a stimulus is just strong enough to be perceived or to produce a response
(Linguistics) A vowel point.
A rim or brink:
The point at which something is likely to begin; the verge:
The perimeter is the outside line forming the boundary of some shape or something such as a plot of land or the length of that outside line.
An edge, border, or margin, esp. of something circular; often, a raised or projecting edge or border
A line that forms the boundary of an area; a perimeter.
A border, edge, or brink
An outer edge; border; margin
The uppermost edge of a hollow container or natural basin.
Find another word for borderlines. In this page you can discover 13 synonyms, antonyms, idiomatic expressions, and related words for borderlines, like: borders, boundaries, verges, thresholds, points, edges, brinks, perimeters, rims, peripheries and margins.