Wiktionary
a. Having an untidy appearance; not well-groomed; unkempt.
Usage examples of "ill-groomed".
But it was there that Hugh found him, white-blazed face, white forefeet and all, grown somewhat shaggy and ill-groomed, but otherwise in very good condition.
Whatever Bret Rensselaer looked like, it was not one of the ill-groomed spook hunters from MI5, and certainly not one of the Special Branch heavy-glove mob they took along to make their arrests legal.
Even in that one evening I saw several things which shocked me, for I had a high standard, and it went to my heart to see an ill arranged camp, an ill-groomed horse, or a slovenly trooper.
Two weeks before, there'd been an even more disruptive demonstration on campus, a rowdy gathering of about thirty SANE (STOP ALL NUCLEAR EXPERIMENTATION) pickets of whom all were white, defiantly ill-groomed older students.