condescending

US /ˌkɑːn.dəˈsen.dɪŋ/
UK /ˌkɑːn.dəˈsen.dɪŋ/
"condescending" picture
1.

having or showing a feeling of patronizing superiority

:
His condescending tone made her feel small.
She hated his condescending attitude towards new employees.