- 1[intransitive, transitive] to make a formal request to somebody in authority, especially by sending them a petition petition for/against something Local residents have successfully petitioned against the siting of a prison in their area. petition somebody/something (for something) The group intends to petition Parliament for reform of the law. petition somebody/something to do something Parents petitioned the school to review its admission policy.
- 2[intransitive, transitive] petition (somebody) (for something) | petition somebody/something to do something to formally ask for something in court to petition for divorce Word Origin Middle English: from Latin petitio(n-), from petit-
BrE BrE//pəˈtɪʃn//; NAmE NAmE//pəˈtɪʃn//Verb Forms present simple I / you / we / they petition
BrE BrE//pəˈtɪʃn//; NAmE NAmE//pəˈtɪʃn//he / she / it petitions
BrE BrE//pəˈtɪʃnz//; NAmE NAmE//pəˈtɪʃnz//past simple petitioned
BrE BrE//pəˈtɪʃnd//; NAmE NAmE//pəˈtɪʃnd//past participle petitioned
BrE BrE//pəˈtɪʃnd//; NAmE NAmE//pəˈtɪʃnd//-ing form petitioning
BrE BrE//pəˈtɪʃnɪŋ//; NAmE NAmE//pəˈtɪʃnɪŋ//