acuteness

IPA/əˈkjuːtnəs/
KK[əkjˈutnəs]IPA/əˈkjuːtnəs/

acuteness — noun

1. the quality of catching fine details quickly, or of having especially sharp sigh

1.nounC2
Definition

the quality of catching fine details quickly, or of having especially sharp sight, hearing, smell, or judgment

Example

The acuteness of Emily's hearing helped her notice the leaking pipe.

collocation: the acuteness of [a sense]

The eye doctor measured Kofi's visual acuteness before the night drive.

collocation: visual acuteness

Common collocations
  • visual acuteness
  • acuteness of hearing
  • acuteness of observation
  • mental acuteness
  • remarkable acuteness
Synonyms
  • keenness

    the closest everyday match, especially for senses or quick observation

  • sharpness

    broader; can also describe wit, visual clarity, or a physical edge

  • insight

    focuses more on deep understanding than on sensory sensitivity

Antonyms
  • dullness

    lack of quick perception or sensory sharpness

Grammar Patterns

the acuteness of [a sense]

[someone's] acuteness in [an activity]

Usage Note

Uncountable noun. Often used with of or in for sight, hearing, smell, judgment, or observation. Distinguish from sense 2 (SEVERITY), which describes how serious a problem or pain is rather than how sharp someone's senses or thinking are.

Common Mistakes

The acuteness to detail made Emily a good editor.
Emily's acuteness in noticing detail made her a good editor.
Use 'in' or 'of', not 'to', after this noun.
Her hearing has much acute.
Her hearing has great acuteness.
After 'great', use the noun 'acuteness', not the adjective 'acute'.

2. the condition of being extremely serious, painful, or hard to deal with

2.nounC2
Definition

the condition of being extremely serious, painful, or hard to deal with

Example

The acuteness of the drought forced farmers to sell part of the herd.

collocation: the acuteness of [a crisis]

Doctors were worried by the acuteness of Christopher's chest pain.

collocation: the acuteness of [pain]

Common collocations
  • acuteness of the pain
  • acuteness of the crisis
  • acuteness of the shortage
  • acuteness of the housing problem
  • acuteness of the drought
Synonyms
  • severity

    the closest match for pain, illness, shortages, or difficult conditions

  • seriousness

    broader everyday word that can describe many kinds of bad situations

  • gravity

    more formal and often used for consequences or official situations

Antonyms

Grammar Patterns

the acuteness of [a problem]

the acuteness of [pain]

Usage Note

Uncountable noun. Most often used in 'the acuteness of ...' with pain, shortages, crises, or other difficult conditions. Distinguish from sense 1 (KEEN PERCEPTION), which is about sharp senses or quick understanding instead of severity.

Common Mistakes

The acuteness about the shortage shocked the town.
The acuteness of the shortage shocked the town.
Use 'of' to name the serious problem.
Doctors worried about the acuteness from his pain.
Doctors worried about the acuteness of his pain.
This noun normally takes 'of', not 'from'.

Word family

Synonym discussion

Sense: noun/1

Keenness, sharpness, and insight can all point to strong mental or sensory ability, but they do not emphasize exactly the same thing. Keenness is the closest everyday match for acuteness when you are talking about hearing, sight, or quick observation. Sharpness is broader: it can describe fast thinking, clear vision, or even a knife edge, so it is not always about perception alone. Insight is different again because it stresses deep understanding of people or situations, not simply noticing tiny details quickly. In formal writing, acuteness often sounds a little more technical than keenness. A birdwatcher may have great acuteness of vision, while a manager shows insight when reading a difficult meeting well.

keenness ↗sharpness ↗insight ↗

Common collocations

Phrases

  • the acuteness of [something]

Prepositions

Etymology

LatinEnglish

The noun 'acuteness' is built from the adjective 'acute' and the English suffix '-ness', which turns an adjective into a noun meaning 'the quality of being ...'. 'Acute' comes from Latin 'acutus', meaning 'sharp' or 'pointed', from the verb 'acuere', 'to sharpen'. In English, that idea of sharpness widened from a physical point or edge to sharp senses, quick intelligence, and later to problems or pain that are severe and intense.