Definition of: participial

(pär′tə·sip′ē·əl) Gram. adjective
Having the nature, form, or use of a participle; characterized by, consisting of, or based on a participle: a participial adjective, a participial meaning.
—noun A word derived from a verb, essentially a noun or adjective, but having the syntactical use of the verb, as a gerund, gerundive, supine, or infinitive.
—par′ti·cip′·i·al·ly adverb