1. Pertaining to an adverb.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• averbal,
• adversial,
• adversal,
• zdverbial,
• sdverbial,
• wdverbial,
• qdverbial,
• asverbial,
• axverbial,
• acverbial,
• afverbial,
• arverbial,
• aeverbial,
• adverbiall,
• adverbialy,
• adverbially,
• antorbial,
• adnervil,
• adverbies,
• adermial

• adversative,
• adverbially,
• adverse,
• advertorial,
• advert,
• advertiser,
• advertizer,
• adversary,
• adversely,
• adverb.

The adjective form of the word "adverbial" is "adverbial".

The plural of the "adverbial" can be the "adverbials".

The singular of the "adverbial" can be the "adverbial".