be derogatory

See: derogate
References in periodicals archive ?
Whilst we are able to generally agree to the use of our brands, or other P&G intellectual property, for a variety of purposes, we strongly reject the use of any of our products in any context that may be derogatory to Procter & Gamble or its products.
Yet some performers and promoters refused to use the name, believing it to be derogatory.