comfortable
comfy
inelegant
plain
unattractive
Attic
Babbittish
Bohemian
Philistine
Spartan
affable
amiable
ascetic
austere
bald
bare
baseborn
basic
beautiless
below the salt
blemished
blotted
bourgeois
cacophonic
cacophonous
campy
candid
casual
chaste
cheerful
classic
classical
coarsely
cockney
commodious
common
commonplace
congenial
contented
convenient
cordial
cosy
cozy
cushioned
cushiony
cushy
defaced
degage
direct
disfigured
domestic
dry
homelier
homeliest
humble
lively
manly
pleasant
practical
quaint
ugly
vulgar