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

     

    lower1

     verb
    verb
    BrE BrE//ˈləʊə(r)//
     
    ; NAmE NAmE//ˈloʊər//
     
    Verb Forms present simple I / you / we / they lower
    BrE BrE//ˈləʊə(r)//
     
    ; NAmE NAmE//ˈloʊər//
     
    he / she / it lowers
    BrE BrE//ˈləʊəz//
     
    ; NAmE NAmE//ˈloʊərz//
     
    past simple lowered
    BrE BrE//ˈləʊəd//
     
    ; NAmE NAmE//ˈloʊərd//
     
    past participle lowered
    BrE BrE//ˈləʊəd//
     
    ; NAmE NAmE//ˈloʊərd//
     
    -ing form lowering
    BrE BrE//ˈləʊərɪŋ//
     
    ; NAmE NAmE//ˈloʊərɪŋ//
     
     
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  1. 1[transitive] to let or make something/somebody go down lower something He had to lower his head to get through the door. She lowered her newspaper and looked around. lower something/somebody + adv./prep. They lowered him down the cliff on a rope. opposite raise
  2. 2[transitive, intransitive] lower (something) to reduce something or to become less in value, quality, etc. He lowered his voice to a whisper. This drug is used to lower blood pressure. Her voice lowered as she spoke. opposite raise
  3. Extra examples Cristina blushed and quickly lowered her eyes. He carefully lowered the sleeping child onto the bed. She lowered herself down to the floor. She lowered herself into the driver’s seat. The company may be forced to lower prices in order to stay competitive. to lower blood pressure/​cholesterol levels to lower prices/​interest ratesIdioms to set a new, lower standard of quality or performance In the current economic climate we may need to lower the bar on quotas. opposite raise the bar compare set the bar
    lower yourself (by doing something)
     
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    (usually used in negative sentences) to behave in a way that makes other people respect you less synonym demean I wouldn't lower myself by working for him.
    raise/lower your sights
     
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    to expect more/less from a situation If they can’t afford such a big house, they’ll just have to lower their sights a little.
    raise/lower the temperature
     
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    to increase/decrease the amount of excitement, emotion, etc. in a situation His angry refusal to agree raised the temperature of the meeting. The government tried to lower the political temperature by agreeing to some of the demands.
See the Oxford Advanced American Dictionary entry: lower