American English

Definition of supine adjective from the Oxford Advanced American Dictionary

     

    supine

     adjective
    adjective
    NAmE//ˈsupaɪn//
     
    , NAmE//suˈpaɪn//
     
    (formal)
     
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  1. 1lying flat on your back a supine position Clare remained supine, her eyes closed. compare prone
  2. 2(disapproving) not willing to act or disagree with someone because you are lazy or morally weak the supine attitude of some of our politicians
 
adverb
See the Oxford Advanced Learner's Dictionary entry: supine