- 1[transitive, intransitive] sue (somebody) (for something) to make a claim against someone in court about something that they have said or done to harm you to sue someone for breach of contract to sue someone for $10 million (= in order to get money from someone) to sue someone for damages They threatened to sue if the work was not completed.
- 2[intransitive] sue for something (formal) to formally ask for something, especially in court to sue for divorce The rebels were forced to sue for peace.
NAmE//su//Verb Forms present simple I / you / we / they sue
he / she / it sues
past simple sued
-ing form suing