1. departing from an accepted standard or normal type; abnormal or deviant

1. a person or thing that deviates from what is normal or expected
Usage: formal

Examples

• The scientist noticed aberrant behavior in the test subjects.
• His aberrant driving patterns caught the attention of police.
• The aberrant weather conditions disrupted the harvest.
• She was considered an aberrant in the conservative community.
• The aberrant cell growth indicated a possible tumor.
• Aberrant gene expression can lead to developmental disorders.
• The teacher was concerned about the student’s aberrant responses.