1. Pertaining to or becoming a child in relation to his parents; bearing the relation of a child.

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

• filedl,
• filith,
• failiar,
• faicial,
• fimal,
• fulill,
• filll,
• finil,
• ficial,
• finaial,
• fifill,
• folical,
• falial,
• wilil,
• cilil,
• fiscial,
• fillial,
• fedial,
• filip,
• fliar

• fill,
• flail.

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

The plural form of the word "filial" is "filials".

The singular form of the word "filial" is "filius" in Latin, but in English, "filial" can function as both a singular and a plural form.