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

     

    submerge

     verb
    verb
    BrE BrE//səbˈmɜːdʒ//
     
    ; NAmE NAmE//səbˈmɜːrdʒ//
     
    Verb Forms present simple I / you / we / they submerge
    BrE BrE//səbˈmɜːdʒ//
     
    ; NAmE NAmE//səbˈmɜːrdʒ//
     
    he / she / it submerges
    BrE BrE//səbˈmɜːdʒɪz//
     
    ; NAmE NAmE//səbˈmɜːrdʒɪz//
     
    past simple submerged
    BrE BrE//səbˈmɜːdʒd//
     
    ; NAmE NAmE//səbˈmɜːdʒd//
     
    past participle submerged
    BrE BrE//səbˈmɜːdʒd//
     
    ; NAmE NAmE//səbˈmɜːdʒd//
     
    -ing form submerging
    BrE BrE//səbˈmɜːdʒɪŋ//
     
    ; NAmE NAmE//səbˈmɜːrdʒɪŋ//
     
     
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  1. 1[intransitive, transitive] to go under the surface of water or liquid; to put something or make something go under the surface of water or liquid The submarine had had time to submerge before the warship could approach. submerge something The fields had been submerged by floodwater. Hippopotamuses cool down by submerging themselves in water.
  2. 2[transitive] submerge something to hide ideas, feelings, opinions, etc. completely Doubts that had been submerged in her mind suddenly resurfaced.
  3. Word Origin early 17th cent.: from Latin submergere, from sub- ‘under’ + mergere ‘to dip’.
See the Oxford Advanced American Dictionary entry: submerge