un·kempt 
(ŭn-kĕmpt)
(ŭn-kĕmpt)adj.
1. Not combed: unkempt hair.
2. Disorderly or untidy in appearance: an unkempt vagabond; an unkempt garden. See Synonyms at sloppy.
[Middle English unkemd : un-, not; see UN-1 + kembed, past participle of kemben, to comb (from Old English cemban; see gembh- in the Appendix of Indo-European roots).]