Part of speech:
Not fixed or known in advance:
Not settled; yet to be determined; uncertain
Not clearly predictable; uncertain; unsure
Not yet determined or specified.
Not clear; indefinite; vague
Exhibiting or feeling ambivalence.
Fond of controversy; disputatious.
Of questionable character:
Not rigorous or meticulous:
Designating or of an automobile larger than a compact but smaller than the standard size
The definition of liminal is a boundary or turning point.
Perceived or perceiving near the outer edges of the retina:
Marked by or given to doubt; questioning:
The definition of suspicious is someone or something questionable or likely to be suspect.
Not clearly defined; not explicit.
Precarious; unstable; unreliable.
Not sharp, certain, or precise in thought, feeling, or expression
Not affording certainty
(Cricket) An edge or line marking an edge of the playing field.
Capable of being relied on; dependable:
The definition of definite is something that has limits, is clear in meaning, absolutely true and positive.
That cannot be doubted, questioned, or disputed; absolutely true; certain
The definition of exact is completely true, following all guidelines or precise.
An ornamental strip of flowers or shrubs along the edge of a garden, walk, etc.
The water at such an edge
The bank, esp. when steep, of a river or other body of water
Keenness, as of desire or enjoyment; zest:
(Rock climbing) Technique involving the placement of the edge of the climbing shoe on a sharp hold.
An edge and the area immediately adjacent to it; a border.
The area along a boundary; the margin.
The metal flange surrounding the wheel of an automotive vehicle, on which the tire is mounted
(Mathematics) The length of such a boundary.
Lace worked by the needle.
Subject to doubt or question; uncertain.
Not conclusive or final; not leading to a definite result
Not decisive; not conclusive or final
(Informal) Not definite; containing doubtful elements; dependent upon varying conditions
Free from doubt or confusion; certain:
a line that indicates a boundary
Find another word for borderline. In this page you can discover 57 synonyms, antonyms, idiomatic expressions, and related words for borderline, like: marginal, indeterminate, problematic, doubtful, questionable, uncertain, ambiguous, ambivalent, controversial, debatable and dubious.