devotion - definition and synonyms

noun 

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/dɪˈvəʊʃ(ə)n/
  1. 1
    [uncountable] great love, admiration, or loyalty

    Since the accident, they’ve cared for their son with great devotion.

  2. 2
    [uncountable] the process of spending a lot of time or energy on an activity
    devotion to:

    Atkinson showed great time and devotion to duty.