"unstylish" in the adjective sense
1. styleless, unstylish
lacking in style or elegance
"a styleless way of dressing"
"expensive but styleless country tweeds"
"wearing unstylish clothes"
2. unfashionable, unstylish
not in accord with or not following current fashion
"unfashionable clothes"
"melodrama of a now unfashionable kind"
Source: WordNet® (An amazing lexical database of English)
Princeton University "About WordNet®."
WordNet®. Princeton University. 2010.
View WordNet® License