-úil

See also: uil

Irish

Alternative forms

• -iúil (slender form)
• -amhail, -eamhail (obsolete)

Etymology

From Middle Irish -amail (compare Manx -oil, Scottish Gaelic -ail, -eil), from Old Irish -amail.

Suffix

-úil

1. Used to form many adjective forms from nouns in Irish, the adjectives having the sense of "like or characteristic of what is denoted by the noun". Similar to English -ly.

   ‎fear (“man”) + ‎-úil → ‎fearúil (“manly”)

   ‎cairde (“friends”) + ‎-úil → ‎cairdiúil (“friendly”)

Usage notes

• All adjectives in -úil are second declension.

Declension

Declension of -úil

	Singular		Plural (m/f)
Positive	Masculine	Feminine	(strong noun)	(weak noun)
Nominative	-úil	-úil	-úla
Vocative	-úil		-úla
Genitive		-úla	-úla	-úil
Dative	-úil	-úil	-úla
Comparative	níos -úla
Superlative	is -úla

Derived terms

Irish terms suffixed with -úil