1. To constrain someone by force or by social, moral or legal means.
    I am obliged to report to the police station every week.
  1. To do someone a service or favour (hence, originally, creating an obligation).
    He obliged me by not parking his car in the drive.
  2. To be indebted to someone.
    I am obliged to you for your recent help.
  3. To do a service or favour.
    The singer obliged with another song.

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