I. ad·verb·i·al (ˈ)ad|vərbēəl, ədˈv-, -ə̄b- adjective
Etymology: Late Latin adverbialis, from Latin adverbium + -alis -al
1. : being an adverb
in some sentences the word likely is adverbial rather than adjectival
: of or belonging to an adverb
the adverbial suffix -ly
2. : having one of the typical functions of an adverb
an adverbial phrase
an adverbial clause
the adverbial noun months in “to wait months”
• ad·verb·i·al·ly -əlē, -li adverb
II. ad·ver·bi·al (ˈ)ad¦vərbēəl, adˈv-, -ə̄b- noun
( -s )
: a word, phrase, or clause that functions as an adverb