acuteness
C1-C2 / Academic / FormalFormal, academic, literary
Definition
Meaning
The quality of being sharp, intense, or severe.
Keenness of perception, sensitivity, or mental sharpness; severity of an angle.
Linguistics
Semantic Notes
Primarily an abstract noun derived from 'acute'. Common in medical, psychological, and literary contexts. Can describe pain, perception, intelligence, or angles.
Dialectal Variation
British vs American Usage
Differences
Minimal. More frequent in medical/technical British writing. US usage may slightly favour 'severity' or 'intensity' in some contexts.
Connotations
Shared connotations of sharpness and intensity. Can suggest sophistication in literary contexts.
Frequency
Low frequency in everyday speech in both varieties; higher in formal/academic registers.
Vocabulary
Collocations
Grammar
Valency Patterns
acuteness of [noun]with great acutenessdemonstrate/show acutenessVocabulary
Synonyms
Strong
Neutral
Weak
Vocabulary
Antonyms
Phrases
Idioms & Phrases
- “None specific; related to 'acute angle' and 'acute pain'.”
Usage
Context Usage
Business
Rare; may appear in reports about 'acuteness of a crisis' or 'acuteness of competition'.
Academic
Common in psychology, medicine, geometry: 'acuteness of perception', 'acuteness of symptoms', 'acuteness of an angle'.
Everyday
Very rare; 'acuteness of the pain' is a possible but formal alternative.
Technical
Used in medical diagnostics, psychology, and geometry.
Examples
By Part of Speech
adjective
British English
- The patient's symptoms were acute.
- She has an acute sense of smell.
American English
- The patient had acute pain.
- He made an acute observation.
Examples
By CEFR Level
- The acuteness of his hearing surprised everyone.
- The acuteness of the pain required immediate medical attention.
- She was admired for the acuteness of her business analysis.
- The acuteness of the diplomatic crisis demanded delicate negotiation.
- The study measured the acuteness of visual perception in low-light conditions.
Learning
Memory Aids
Mnemonic
Imagine an ACUTE angle — very sharp and pointed. ACUTENESS is the noun for that sharp, intense quality.
Conceptual Metaphor
SHARPNESS IS INTELLIGENCE/PERCEPTION (e.g., 'sharp mind', 'acute observer').
Watch out
Common Pitfalls
Translation Traps (for Russian speakers)
- Avoid literal translation of 'острота' for all contexts. For 'acuteness of pain', use 'интенсивность боли'. For mental acuteness, 'проницательность' or 'острота ума'.
Common Mistakes
- Using 'acuteness' for physical objects (e.g., 'the knife's acuteness' – use 'sharpness'). Confusing with 'acuity' (more specific to senses/vision).
Practice
Quiz
In which context is 'acuteness' LEAST likely to be used?
FAQ
Frequently Asked Questions
No, it's relatively low-frequency and used primarily in formal, academic, or literary contexts.
'Acuity' is more specific and often refers to sharpness of the senses (e.g., visual acuity) or mental sharpness. 'Acuteness' is broader and can also refer to severity (e.g., of pain or a situation).
Yes, but typically as 'acuteness of mind/perception/intelligence', not as a direct descriptor (e.g., 'He is acuteness' is incorrect).
The adjective is 'acute' (e.g., acute pain, acute angle, acute observer).