smug (adj.)
- bland
- bovine
- braw
- buttery
- censorious
- chic
- classy
- complacent
- conceited
- consequential
- cosmopolitan
- dapper
- dashing
- demure
- disarming
- elegant
- exquisite
- fulsome
- genteel
- glib
- hidebound
- holier-than-thou
- ingratiating
- jaunty
- narcissistic
- narrow
- natty
- neat
- nifty
- nobby
- oily
- old-maidish
- overconfident
- overmodest
- overproud
- overweening
- posh
- priggish
- prim
- prudish
- puritanical
- recherche
- ritzy
- sanctimonious
- self-complacent
- self-important
- self-loving
- self-respecting
- self-satisfied
- self-sufficient
- sharp
- sleek
- slick
- smart
- smooth
- smooth-spoken
- smooth-tongued
- snazzy
- soapy
- soft-spoken
- soigne
- soignee
- sophisticated
- spiffy
- spruce
- stiff-necked
- straitlaced
- stuffy
- suave
- swank
- swanky
- swell
- tricksy
- trig
- trim
- unctuous
- vain
- vainglorious
- well-dressed
- well-groomed