bumptious (adj.)
- arrogant
- audacious
- brassy
- brazen
- challenging
- cheeky
- chesty
- cocky
- cold
- conceited
- contemptuous
- contumelious
- cool
- daring
- defiant
- derisive
- disdainful
- familiar
- forward
- immodest
- impertinent
- impudent
- insolent
- insulting
- obtrusive
- overweening
- perky
- pert
- presumptuous
- pushy
- saucy
- self-conceited
- self-opinionated
- stuck-up
- uppish
- uppity
