"Microaggression is a term used for brief and commonplace daily verbal, behavioral, or environmental indignities, whether intentional or unintentional, that communicate hostile, derogatory, or negative prejudicial slights and insults toward any group, particularly culturally marginalized groups."

Sue DW (2010). Microaggressions in Everyday Life: Race, Gender, and Sexual Orientation. Wiley. pp. xvi. ISBN 978-0-470-49140-9