The Collaborative International Dictionary of English v.0.48:
-ful \-ful\ [See Full, a.] A suffix signifying full of, abounding with; as, boastful, harmful, woeful. Foolahs FulahsWordNet (r) 3.0 (2006):
Ful n 1: a family of languages of the Fulani of West Africa and used as a lingua franca in the sub-Saharan regions from Senegal to Chad; the best known of the West African languages [syn: Fula, Ful, Fulani, Peul]