1) Arrogant 2) Cavalier 3) Contemptuous 4) Disdainous 5) Dismissive 6) Disrespectful 7) Haughty 8) Mocking 9) Patronizing 10) Prideful 11) Proud 12) Proudhearted 13) Scornful 14) Sneering 15) Sniffy 16) Supercilious 17) Swaggering 1) Condescending 2) Contemptuous 3) Despicable 4) Disapproving 5) Disrespectful 6) Expressing extreme contempt 7) Full of or showing disdain 8) Insulting 9) Scornful 10) Sneering 
• (a.) Full of disdain; expressing disdain; scornful; contemptuous; haughty.
Dis·dain'ful adjective Full of disdain; expressing disdain; scornful; contemptuous; haughty. « From these Turning disdainful to an equal good.» Akenside. -- 
[adj] - having or showing arrogant superiority to and disdain of those one views as unworthy
haughty adjective having or showing arrogant superiority to and disdain of those one views as unworthy; `some economists are disdainful of their colleagues in other social disciplines`; `haughty aristocrats`; `his lordly manners were offensive`; `walked ...
full of or showing disdain; scornful.