Word
underlying
Phoneticsun·der·ly·ing, stress on the third syllable
US/ˌəndɝˈɫaɪɪŋ/
UK/ˌʌndəlˈaɪɪŋ/
Definitions
01basic or fundamental
B2 · Upper Intermediate Academic
adj. describing the most important or basic cause of something, even if it is hidden.
adj. denoting a fundamental or root cause that is not immediately apparent on the surface.
“The doctor tried to find the underlying cause of her constant headaches.”
“Economists argue that while the stock market crash was sudden, the underlying weaknesses in the banking system had been growing for years.”
Usage
Usually placed before the noun it describes.
Synonyms
Antonyms
02physically beneath
C1 · Advanced Technical
adj. lying under the surface of something else.
adj. positioned or situated directly beneath another layer or surface.
Español:subyacente
“The gold was hidden in the underlying rock of the mountain.”
“The investigation revealed that the cracks in the pavement were caused by shifts in the underlying soil during the heavy rains.”
Usage
Often used in geological or construction contexts.
Synonyms
Antonyms
03finance asset
C2 · Proficiency Countable noun Law Technical · Formal
n. the real asset that a financial contract is based on.
n. the primary financial instrument or asset upon which a derivative's price is based.
“If the price of the underlying goes up, the option becomes more valuable.”
“The volatility of the underlying significantly impacts the premium required for these complex derivative contracts.”
Teaching tip
In general English, this is almost always an adjective; using it as a noun is restricted to professional financial and legal contexts.
Synonyms
Collocations
Common phrases and expressions where native English speakers use the word “underlying” in context.
Adjective
01. underlying procedure
“The underlying procedure for the experiment must be followed strictly to ensure accurate results.”
adj + noun
02. concentric underlying
Real-World Examples
“Scientists will use the clumps of tissue to learn how diseases vary between patients, helping them identify which treatments are best for different people based on the particular pathology underlying their condition.” “Seeking to understand any underlying factors will be a crucial part of treatment, says Hall.” “He says the underlying physics was first shown in simple models decades ago and has appeared repeatedly since.” “The UK Health Security Agency (UKHSA) recommends looking out for those who may struggle to keep cool, such as older people, those with underlying conditions and those who live alone.” Etymology
By surface analysis, underlie + -ing.
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.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
- Common
- Level
- C1 · AdvancedOxford
- Updated
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QR code
englishreference.com/q/underlying
Traducciones: Kaikki.org (Wiktionary), CC BY-SA 4.0