Adverbial

[əd'vɜːbɪəl] or [æd'vɝbɪəl]

(noun.) a word or group of words function as an adverb.

(adj.) of or relating to or functioning as an adverb; 'adverbial syntax' .

Editor: Lucia--From WordNet

(a.) Of or pertaining to an adverb; of the nature of an adverb; as, an adverbial phrase or form.

Editor: Rena