IPA: //ˈfraʊziər//
KK: /ˈfraʊzi/
Having a messy or unkempt appearance; disheveled.
After a long day at work, she looked frowsier than usual with her hair all tangled.
Comparative: frowsier
Superlative: frowsiest
Frowsier is derived from the adjective 'frowsy' (from Middle English 'frousy', meaning musty or unkempt), with the suffix '-er' (indicating a comparative form). The word 'frowsier' means more frowsy or more unkempt in appearance.
Think of 'frowsy' meaning unkempt or musty, and remember that 'frowsier' means more unkempt.