Definition of expeditious adjective from the Oxford Advanced American Dictionary

     

    expeditious

     adjective
    adjective
    NAmE//ˌɛkspəˈdɪʃəs//
     
    (formal)
     
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  1. 1that works well without wasting time, money, etc. synonym efficient
  2. 2 the most expeditious method of dealing with the situation
expeditiously
 
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adverb The work was carried out as expeditiously as possible.
See the Oxford Advanced Learner's Dictionary entry: expeditious