needle-sharp
UK[ˈniːdl ʃɑːp]US[ˈniːdl ʃɑːrp]
adj
extremely sharp, like the point of a needle.
adj
(of a sound, pain, or sensation) very intense and piercing.
Morpheme Breakdown
needle
sharp
needle
noun
sharp
adjective
Etymology
the compound 'needle-sharp' is a modern english formation that employs a straightforward metaphorical construction. the first element, 'needle', provides a concrete, universally recognized standard of extreme fineness and piercing capability. the second element, 'sharp', is an old english adjective describing a keen edge or point. when combined, they create an intensified adjectival meaning, leveraging the specific imagery of a needle's point to amplify the abstract quality denoted by 'sharp'. this process exemplifies how english readily forms descriptive compounds by yoking a noun specifying a source domain with a core adjective to produce a vivid, comparative meaning.
Analysis
Structure: needle (noun) + sharp (adjective)
'needle' is from old english 'nǣdl', a tool for sewing. 'sharp' is from old english 'scearp', meaning having a fine edge or point.
Examples
the chef's knife was needle-sharp, slicing through the tomato with no pressure at all.
she felt a needle-sharp pain in her temple, a sure sign of an impending migraine.
his needle-sharp wit often left his opponents speechless during debates.