English Reference

Word

formidable

Phoneticsfor·mi·da·ble, stress on the first syllable

US/ˈfɔɹmədəbəɫ/

UK/fɔːmˈɪdəbəl/

Definitions

01inspiring respect or fear

C1 · Advanced Formal

adj. very powerful or impressive in a way that makes you feel respect or a little bit of fear.

adj. inspiring fear, dread, or awe through impressive size, power, or capability.

“The champion was a formidable opponent who had never lost a match.”

“The CEO had a formidable reputation for efficiency, which made even the most senior managers nervous during their annual reviews.”

Antonyms

weakunimpressive

02difficult to overcome

C1 · Advanced Formal

adj. very difficult to deal with or defeat.

adj. presenting a significant obstacle or challenge that is difficult to surmount.

“The team faced a formidable task when they had to rebuild the bridge in two days.”

“Climbing the north face of the mountain remains a formidable challenge, even for the most experienced mountaineers using modern equipment.”

Antonyms

Real-World Examples

“Hidden inside the fossil were pincerlike limbs and preserved soft tissues that help explain how the ancestors of spiders and scorpions evolved into formidable hunters.”
ScienceDaily 4 Aug 2026
“The front runners are dynamic politicians and formidable leaders.”
Toronto Sun 14 Aug 2026
“Photograph: Colorsport/Shutterstock The prevailing work ethic in pit villages throughout the coalfield helped to mould such formidable players.”
The Guardian 7 Aug 2026

Etymology

From Middle English formidable, from Old French formidable, formible, from Latin formīdābilis (“formidable, terrible”), from formīdō (“fear, dread”).

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.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 · Advanced
Updated

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