Singular
NOMINATIVE
idirdhealaitheach (MASC.)
idirdhealaitheach (FEM.)
GENITIVE
idirdhealaithigh (MASC.)
idirdhealaithí (FEM.)
Plural
NOMINATIVE
idirdhealaitheacha
GENITIVE
idirdhealaitheacha (STRONG PLURALS)
idirdhealaitheach (WEAK PLURALS)
Other forms
COMPARATIVE
níos idirdhealaithí
▪ní b'idirdhealaithí
SUPERLATIVE
is idirdhealaithí
▪ab idirdhealaithí