Word
reachable
Phoneticsreach·able
US/ˈɹitʃəbəɫ/
UK/ɹˈiːtʃəbəl/
Definition
adj. able to be touched, reached, or contacted. In math, it describes a point or number that can be found by following a specific path or rule.
adj. capable of being contacted, touched, or accessed. In a mathematical context, it refers to a point or set that can be connected to another through a defined sequence or function.
Examples
“The top shelf is not reachable for most people.”
“The emergency exit is designed to be reachable from every corner of the building.”
“In graph theory, a node is considered reachable if there exists a path of connected edges leading from the starting point to that specific vertex.”
Examples
simple
“The top shelf is not reachable for most people.”
contextual
“The emergency exit is designed to be reachable from every corner of the building.”
complex
“In graph theory, a node is considered reachable if there exists a path of connected edges leading from the starting point to that specific vertex.”
Real-World Examples
“He said he had given his phone to his sister so she could keep in touch, but the mobile was no longer reachable.” Domain
- 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
- Occasional
- Level
- B2 · Upper Intermediate
- Updated
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QR code
englishreference.com/q/reachable