1. to treat someone in a condescending way, as if they are less intelligent or important
2. to be a regular customer of a business or establishment
3. to act as a patron by giving financial support to someone or something

Examples

• She patronizes her coworkers by explaining things they already know.
• He patronizes that coffee shop every morning before work.
• The wealthy family patronizes several local charities.
• Don’t patronize me with your fake concern.
• Our family has patronized this restaurant for twenty years.
• The corporation patronizes arts programs in the community.
• I hate when people patronize children by using baby talk.