- Petitioner vs claimant. See examples of PETITIONER used in a sentence. This could be asking for a divorce, seeking a restraining order, or requesting a change in custody arrangements. petitioner noun One that asks a higher authority for something, as a favor or redress: A person who applies for or seeks something, such as a job or position: Petitioner definition: a person who presents a petition. The meaning of PETITIONER is one who makes, submits, or signs a petition. a person who is asking for action from a law court…. Aug 27, 2025 ยท A petitioner is the party who initiates a legal action or proceeding by formally submitting a request to a court. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. . This can be either the plaintiff or defendant from the court below, as either of the parties can present the case to a higher court for further proceedings. This individual or entity asks the court to consider their claims and provide a specific legal remedy or decision. mruw2 vix8zm 4phiw slmx omkmt yuwxe zviqgm tmzo fgimac up