Grammar of the New Zealand language (2nd edition)
CHAPTER IV.
OF THE ADJECTIVE.
Maori adjectives have no peculiar or appropriate form. They know no distinction of gender, number, case, or comparison.
In common with substantives, adjectives admit often of reduplication to denote _repetition, or many things the same kind_, &c.--vid. ch. 3, _number_ ยง 8., e. g.
Mahi kakata, _a frequent laughing_. He rakau kikino kau, _they are all bad trees_.
NOTE.--Comparison in Maori is formed by _periphrasis_, for which vid. S.