say it: ad-VUR-bee-uhl
adverbial is a noun and adjective meaning "a word or group of words function as an adverb". It carries 2 recorded senses.
a word or group of words function as an adverb
of or relating to or functioning as an adverb
“adverbial syntax”
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for adverbial come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.