More Latin Numeral Adjectives

Mutliplicative Adjectives

simplex, simplicis, single
duplex, duplicis, double
triplex, triplicis, triple
quadruplex, -plicis, quadruple
quīnquiplex, -plicis, quintuple
sesiplex, -plicis, sextuple
septemplex, -plicis, septuple
octoplex, -plicis, octuple
nonaplex, -plicis, nontuple(?)
decemplex, -plicis, decemtuple(?)
centuplex, -plicis, centuple(?)
sēsquiplex, -plicis, 1 and 1/2 … ple (?)
multiplex, -plicis, manifold

Proportional Adjectives

These are the adjectival forms of numeral adverbs.

duplus, -a, -um, twice as large
triplus, -a, -um thrice as large
quadruplus, -a, -um, four times as large
decemplus, -a, -um, ten times as large
centiplus, -a, -um, 100 times as large

Temporal Adjectives

bīmus, -a, -um, two-years old
trīmus, -a, -um, three-years old

biennis, -is, lasting two years
triennis, -is, lasting three years

bimēstris, -is, occurring every (or lasting) two months
trimēstris, -is, occurring every (or lasting) three months

Partitive Adjectives

bīnārius, -a, -um, two-parted
ternārius, -a, -um, three-parted

Other Numeral Adjectives

prīmārius, -a, -um, of the first rank
bīnārius, -a, -um, of the second rank
(note, these are the partitives, but with a distinct meaning)

Temporal Numeral Nouns

biduum, -ī, two days
triduum, -ī, three days
biennium, -ī, two years
triennium, -ī, three years

Other Numeral Nouns

ūniō, -ōnis, unity
bīniō, -ōnis, a pair (often of dice)