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borderline

[ bawr-der-lahyn ]
/ ˈbɔr dərˌlaɪn /
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See synonyms for: borderline / borderlines on Thesaurus.com

Definition of borderline

adjective
on or near a border or boundary.
having an uncertain, indeterminate, or debatable status: He was a borderline case for admission to the program—please encourage him to apply again next year.
not quite meeting accepted, expected, or average standards: Discover specific how-to strategies for turning a borderline student into a confident achiever.
approaching bad taste or obscenity: He made several borderline remarks that offended them.
noun
Also bor·der line.
  1. a border or boundary: The town of Tiverton, Rhode Island, rests on the once-disputed Massachusetts borderline.
  2. a notional dividing line: Often the borderline between safety and toxicity is very small, and every year thousands of fish die as a consequence of chemical overdosing.
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Origin of borderline

First recorded in 1865–70; border + line1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use borderline in a sentence

British Dictionary definitions for borderline

borderline
/ (ˈbɔːdəˌlaɪn) /

noun
a border; dividing line; line of demarcation
an indeterminate position between two conditions or qualitiesthe borderline between friendship and love
adjective
on the edge of one category and verging on anothera borderline failure in the exam
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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