English Reference

Word

viable

Phoneticsvi·able

US/ˈvaɪəbəɫ/

UK/vˈaɪəbəl/

Definitions

01possible and successful

B2 · Upper Intermediate

adj. describes a plan, idea, or method that can actually work in real life.

adj. capable of working successfully; feasible or practicable in a given context.

“The company decided the project was not financially viable because it would cost too much.”

“After reviewing the market data, the board concluded that the startup's business model was no longer viable in the current economic climate.”

02able to survive

C1 · Advanced Science Technical

adj. able to live, grow, and develop on its own.

adj. capable of living and developing independently; often used regarding seeds, eggs, or foetuses.

“The biologist checked if the seeds were still viable after being stored for ten years.”

“The laboratory confirmed that the tissue samples remained viable despite the failure of the primary refrigeration system during the storm.”

Synonyms

Antonyms

non-viabledead

Collocations

Common phrases and expressions where native English speakers use the word “viable” in context.

Adjective

01. viable alternative

“Solar energy has become a viable alternative to fossil fuels in many regions.”

adj + noun

02. viable option

“Remote work is now considered a viable option for most tech companies.”

adj + noun

03. viable solution

“The committee is struggling to find a viable solution to the budget deficit.”

adj + noun

Real-World Examples

“How viable are plans to free up prison space in England and Wales?”
The Guardian 11 Aug 2026
“But that is relatively simple compared with designing a new viable virus from scratch.”
BBC News 6 Aug 2026

Etymology

Borrowed from French viable (further from Latin vīta), with semantic influence of Latin viābilis (“passable”).

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

Word family

ADJECTIVE

viable(C1)

Domain

Biology

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.C1 AdvancedIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.7.0–8.0TOEFL 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: 5.0–5.595–113TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.945–990
Frequency
Frequent
Level
C1 · AdvancedOxford
Updated

QR code

englishreference.com/q/viable

English Reference