merendahkan in English:

2ch, where there are many posts praising specific companies, or, conversely, denigrating their rivals.

She spoke to me in a very condescending manner.

He has a condescending attitude towards women. Her tone of voice was always so condescending.

His remark had been inept, unthinking, condescending perhaps, but it hadn’t been ridiculous.

I hate the way he's so condescending to his staff!

What’s got into you? You can't talk to her like that. - I can't help it. Her condescending tone drives me crazy every time.

His condescending attitude offended his teammates

Intercultural dialogue should not be imposed or be designed in a condescending way.

I had been avoiding calls from her lately because she always seemed to have this condescending attitude toward the way that I'd been changing