Webster's Revised Unabridged Dictionary · 1913

Unkempt

Unkempt (?; 215) , adjective

[Prefix un- not + kempt, past participle of kemb.]

1.
Not combed; disheveled; as, an urchin with unkempt hair.
2.
Figuratively; Not smoothed; unpolished; rough.
My rhymes be rugged and unkempt. — Spenser