informal (adj.)
- affable
- beat
- beat-up
- bedraggled
- blowzy
- breakaway
- careless
- casual
- chintzy
- colloquial
- common
- conversational
- cordial
- degage
- dilapidated
- draggled
- easy
- easygoing
- everyday
- familiar
- folksy
- free
- fringy
- frowzy
- frumpish
- frumpy
- gracious
- grubby
- heretical
- heterodox
- homely
- homey
- irregular
- kinky
- loose
- lumpen
- maverick
- messy
- mussy
- natural
- negligent
- nonstandard
- offbeat
- offhand
- offhanded
- ordinary
- original
- plain
- poky
- private
- ragged
- relaxed
- ruinous
- scraggly
- seedy
- shabby
- shoddy
- simple
- slack
- slatternly
- slipshod
- sloppy
- slovenly
- sluttish
- sociable
- sordid
- special
- spoken
- spontaneous
- sporty
- squalid
- substandard
- tacky
- tattered
- unaffected
- unassuming
- unauthorized
- unceremonious
- unconstrained
- unconventional
- uneducated
- unfashionable
- unkempt
- unliterary
- unofficial
- unorthodox
- unpretentious
- unsightly
- unstudied
- untidy
- vernacular
