Word
inaccessible
Phoneticsin·ac·ces·si·ble, stress on the third syllable
US/ˌɪnəkˈsɛsəbəɫ/
UK/ɪnɐksˈɛsəbəl/
Definitions
01physically out of reach
B2 · Upper Intermediate
adj. impossible or very difficult to reach or get into.
adj. not capable of being reached, entered, or approached physically.
“The mountain village is inaccessible by car during the heavy winter snow.”
“The remote island remains largely inaccessible to tourists due to the lack of a deep-water port and the treacherous surrounding reefs.”
Synonyms
Antonyms
02difficult to understand
C1 · Advanced Academic
adj. very difficult to understand or appreciate, especially art or writing.
adj. difficult to understand, appreciate, or relate to, often due to complexity or an elitist style.
“Many students found the professor's latest book too inaccessible because of the technical language.”
“Critics argued that the composer's later works were intellectually inaccessible to the general public, requiring a deep knowledge of music theory to enjoy.”
Synonyms
Antonyms
03a type of large number
C2 · Proficiency Countable noun Mathematics Technical
n. a special kind of very large number used in high-level mathematics.
n. an uncountable regular limit cardinal number that cannot be reached from smaller cardinals using standard set-theoretic operations.
“The professor explained how an inaccessible cardinal functions within set theory.”
“The existence of an inaccessible cardinal cannot be proved within the standard framework of Zermelo-Fraenkel set theory alone.”
Synonyms
Real-World Examples
“Sea ice has been disappearing from East Greenland, allowing giant whales to take advantage and move in to previously inaccessible areas.” “The system allowed the scientists to explore a previously inaccessible form of light-matter interaction in the terahertz range.” Etymology
From Middle French inaccessible, from Late Latin inaccessibilis, equivalent to in- + accessible.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.
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
- Frequent
- Level
- B2 · Upper Intermediate
- Updated
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QR code
englishreference.com/q/inaccessible