condescending (adj.)

• arrogant
• belittling
• big
• contemptuous
• disdainful
• domineering
• haughty
• high-flown
• high-handed
• hoity-toity
• imperious
• lofty
• overbearing
• patronizing
• pompous
• priggish
• proud
• purse-proud
• sniffy
• snobbish
• snobby
• snooty
• snotty
• stuck-up
• superior
• uppish
• uppity
• upstage