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Definition of sharpen verb from the Oxford Advanced Learner's Dictionary

sharpen

verb
 
/ˈʃɑːpən/
 
/ˈʃɑːrpən/
Verb Forms
present simple I / you / we / they sharpen
 
/ˈʃɑːpən/
 
/ˈʃɑːrpən/
he / she / it sharpens
 
/ˈʃɑːpənz/
 
/ˈʃɑːrpənz/
past simple sharpened
 
/ˈʃɑːpənd/
 
/ˈʃɑːrpənd/
past participle sharpened
 
/ˈʃɑːpənd/
 
/ˈʃɑːrpənd/
-ing form sharpening
 
/ˈʃɑːpənɪŋ/
 
/ˈʃɑːrpənɪŋ/
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  1. [transitive, intransitive] sharpen (something) to make something sharper; to become sharper
    • She sharpened her pencils and started drawing.
    • This knife needs sharpening.
    • The outline of the trees sharpened as it grew lighter.
  2. [intransitive, transitive] sharpen (something) if a sense or feeling sharpens or something sharpens it, it becomes stronger and/or clearer
    • Her hearing was sharpened by fear.
    • The sea air sharpened our appetites.
    • Clare’s kindness sharpened his awareness of the differences between them.
  3. [transitive] sharpen something to make an issue or topic of discussion clearer and more likely to produce a result
    • There is a need to sharpen the focus of the discussion.
  4. [intransitive, transitive] to become or make something better, more effective, etc. than before synonym improve
    • sharpen (up) He needs to sharpen up before the Olympic trials.
    • sharpen something (up) She's doing a course to sharpen her business skills.
    • We’re looking to sharpen up the product’s image.
  5. [intransitive, transitive] sharpen (something) if your voice sharpens or something sharpens it, it becomes high and loud in an unpleasant way
See sharpen in the Oxford Advanced American DictionarySee sharpen in the Oxford Learner's Dictionary of Academic English
trait
noun
 
 
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