English

Definition of substitute noun from the Oxford Advanced Learner's Dictionary

        

    substitute

     noun
    noun
    BrE BrE//ˈsʌbstɪtjuːt//
     
    ; NAmE NAmE//ˈsʌbstɪtuːt//
     
     
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  1. 1  a person or thing that you use or have instead of the one you normally use or have a meat substitute a substitute family substitute for somebody/something Paul's father only saw him as a substitute for his dead brother. The course teaches you the theory but there's no substitute for practical experience. The local bus service was a poor substitute for their car.
  2. 2  (informal sub) a player who replaces another player in a sports game He was brought on as (a) substitute after half-time.
  3. Word Origin late Middle English (denoting a deputy or delegate): from Latin substitutus ‘put in place of’, past participle of substituere, based on statuere ‘set up’.Extra examples His teacher acted as a father substitute. The company produces substitutes for engine oil. The company produces substitutes for lead in petrol. The television is a poor substitute for human companionship. There’s no substitute for hard work. He was brought on as a substitute after half-time I regarded them as a substitute family. Paul’s father only saw him as a substitute for his dead brother. The book will teach you the theory but there’s no substitute for practical experience. a meat/​milk substitute
See the Oxford Advanced American Dictionary entry: substitute