1) Arch 2) Belittling 3) Demeaning 4) Denigrating 5) Full of yourself 6) Patronising 7) Patronizing 8) Superior 1) Arrogant 2) Conceited 3) Deigning 4) Disdainful 5) Lordly 6) Patronising 7) Patronizing 8) Sneering 9) Snobbish 10) Snobby 11) Snooty 12) Snotty 13) Uppish 
• (p. pr. & vb. n.) of Condescend
condescending 1. Behaving as if one is conscious of descending from a superior position, rank, or dignity. 2. Stooping or deigning to do something: 'He refused condescending to misrepresent the facts because he knew they were accurate.' 3. Putting aside one's dignity or superiority voluntarily and assuming equality with someone who is regarded as i...
showing or implying a usually patronizing descent from dignity or superiority: They resented the older neighbors' condescending cordiality.
[ACT vocabulary] characteristic of those who treat others with arrogance