dowdy
definition
having an unattractive or old-fashioned appearance
example
Despite her kind personality, her dowdy clothing choices often made her feel invisible at social events.
synonyms
unfashionablefrumpyshabby
word origin — The word 'dowdy' originated in the late 16th century, derived from the adjective 'doudy', meaning 'shabby' or 'unkempt', which is possibly from the Middle English 'dowde' related to 'dawdle'.