n.1. a. The act of objecting: What grounds do you have for objection? I take objection to that remark.
b. Law The formal registration of protest against the admission of a piece of evidence at trial, on the grounds of some legal defect.
2. A statement presented in opposition: The child asked to go alone, but his mother made the objection that he was too young.
3. A ground, reason, or cause for expressing opposition: Would you have any objection if we went with you?