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Synonyms

borderline

American  
[bawr-der-lahyn] / ˈbɔr dərˌlaɪn /

adjective

  1. on or near a border or boundary.

  2. 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.

  3. not quite meeting accepted, expected, or average standards.

    Discover specific how-to strategies for turning a borderline student into a confident achiever.

    Synonyms:
    marginal, unsure, precarious, doubtful
  4. approaching bad taste or obscenity.

    He made several borderline remarks that offended them.


noun

  1. null border 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.

  2. a person with borderline personality disorder.

borderline British  
/ ˈbɔːdəˌlaɪn /

noun

  1. a border; dividing line; line of demarcation

  2. an indeterminate position between two conditions or qualities

    the borderline between friendship and love

"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

adjective

  1. on the edge of one category and verging on another

    a 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

Etymology

Origin of borderline

First recorded in 1865–70; border + line 1

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The desire is already there — loud, obvious, borderline operatic.

From Salon

"The borderline decision was made by the match referee, and details of the rearranged fixture will be made available as soon as possible," said a Dundee statement.

From BBC

They move freely, obscuring borderlines between categories that once loomed like separate land masses: jazz and chamber music; acoustic and electric ensembles; songs and improvised forms.

From The Wall Street Journal

“Even 200 wins is borderline undoable unless they have a lot of good fortune.”

From The Wall Street Journal

One person wrote on Facebook about seeing “borderline junk yard cars quite regularly.”

From The Wall Street Journal