knife-edged

adj knife-edged

• acute — An acute accent is a symbol that is placed over vowels in some languages in order to indicate how that vowel is pronounced or over one letter in a word to indicate where it is stressed. You refer to a letter with this accent as, for example, e acute. For example, there is an acute accent over the letter 'e' in the French word 'café'.
• pointed — having a point or points: a pointed arch.
• keen — finely sharpened, as an edge; so shaped as to cut or pierce substances readily: a keen razor.
• salient — prominent or conspicuous: salient traits.
• fine — of superior or best quality; of high or highest grade: fine wine.