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Definitions

borderline

[bawr-der-lahyn] / ˈbɔr dərˌlaɪn /
ADJECTIVE
inexact
Synonyms
STRONGEST
marginal
STRONG
open
WEAK
ambiguous ambivalent doubtful dubitable equivocal indecisive indefinite indeterminate problematic uncertain unclassifiable unclear undecided unsettled
Antonyms
WEAK
certain definite exact sure

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.

Savouri believes the focus of capital markets on this one data point is borderline obsessive and has bred an industry of forecasters.

From MarketWatch • Apr. 15, 2026

The Premier League's Key Match Incidents Panel voted 3:2 that the on-field decision of no penalty was correct, which shows it was a borderline call.

From BBC • Apr. 15, 2026

For people with borderline or moderate risk, clinicians may use extra tests to guide decisions.

From Science Daily • Mar. 29, 2026

If everything else on the table was, by consensus, borderline inedible, securing salmon in the morning wasn’t just sustenance.

From Salon • Feb. 28, 2026

Sigils, as I recall from some dark comic book series, are symbols of medieval magic from back in the day when so few people were literate that literacy itself was seen as borderline magical.

From "Challenger Deep" by Neal Shusterman