English Reference

Word

borderline

Phoneticsbor·der·line, stress on the first syllable

US/ˈbɔɹdɝˌɫaɪn/

UK/bˈɔːdəlˌaɪn/

Definition

adj. almost fitting into a certain category, but not quite. You use it when something is on the edge between two states, like being healthy and sick.

adj. situated on the edge of a category or condition; not clearly belonging to one side or the other. Often used with 'on' to indicate proximity to a limit.

Examples

“His health is borderline, so he needs rest.”

“The company's profits were borderline, just enough to avoid a loss.”

“Her performance was borderline, hovering between acceptable and disappointing, leaving the judges unsure whether to award her a place in the finals.”

Examples

simple

“His health is borderline, so he needs rest.”

contextual

“The company's profits were borderline, just enough to avoid a loss.”

complex

“Her performance was borderline, hovering between acceptable and disappointing, leaving the judges unsure whether to award her a place in the finals.”

Usage

Often used predicatively after 'be' or attributively before a noun. Frequently paired with 'on' (e.g., 'borderline on genius').

Real-World Examples

“Ross Kemp was so happy it came out as borderline anger, with a vein-popping "get in there!" Other players seemed genuinely shocked.”
BBC News 8 Oct 2026
“Roland is a borderline alcoholic grammar pedant who is quite literally running from depression.”
The Guardian 22 Aug 2026

Etymology

From border + line.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry

Exam level
CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.B2 FirstIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.5.5–6.5TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 4.0–4.572–94TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.785–944
Frequency
Frequent
Level
B2 · Upper Intermediate
Updated

QR code

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English Reference