What does ināniloquus mean in Latin?

ināniloquus, a adjective, means “talking in vain”.

How do you pronounce ināniloquus?

In classical Latin, [ɪ.naːˈnɪ.ɫɔ.kʊs]; in ecclesiastical (church) Latin, [i.naˈniː.lo.kʷus].

adjectivefirst/second-declension adjective

ināniloquus (feminine ināniloqua, neuter ināniloquum)

Classical[ɪ.naːˈnɪ.ɫɔ.kʊs]Ecclesiastical[i.naˈniː.lo.kʷus]

singular
form	masculine	feminine	neuter
nominative	ināniloquus	ināniloqua	ināniloquum
genitive	ināniloquī	ināniloquae	ināniloquī
dative	ināniloquō	ināniloquae	ināniloquō
accusative	ināniloquum	ināniloquam	ināniloquum
ablative	ināniloquō	ināniloquā	ināniloquō
vocative	ināniloque	ināniloqua	ināniloquum

plural
form	masculine	feminine	neuter
nominative	ināniloquī	ināniloquae	ināniloqua
genitive	ināniloquōrum	ināniloquārum	ināniloquōrum
dative	ināniloquīs	ināniloquīs	ināniloquīs
accusative	ināniloquōs	ināniloquās	ināniloqua
ablative	ināniloquīs	ināniloquīs	ināniloquīs
vocative	ināniloquī	ināniloquae	ināniloqua

ĭnānĭlŏquus, a, um, adj. inanis-loquor,

I. that talks in vain, Plaut. Ps. 1, 3, 24 Ritschl N. cr.; cf. inaniloquus κενολόγος, Gloss. Philox.

From inānis (“empty, vain”) + -loquus (“speaking”).