adverb+-ial

• (US) IPA^(key): /ædˈvɝbi.əl/
• (UK) IPA^(key): /ədˈvɜːbi.əl/

• Audio (UK)

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1. (grammar) If something is adverbial, it is related to an adverb.

1. (countable) (grammar) An adverbial is an adverbial word or phrase.