1. not connected with or important to something; not relevant

Examples

• Your age is irrelevant to this discussion.
• The witness provided irrelevant information that didn't help the case.
• Many students find history irrelevant to their daily lives.
• The color of the car is irrelevant when discussing its safety features.
• His personal opinions are irrelevant to the scientific data.
• The judge ruled that the evidence was irrelevant and inadmissible.