What does iactāns mean in Latin?

iactāns, a adjective, means “arrogant; boastful”.

How do you pronounce iactāns?

In classical Latin, [ˈjak.tãːs]; in ecclesiastical (church) Latin, [ˈjak.tans].

adjectivethird-declension one-termination adjective

iactāns (genitive iactantis, adverb iactanter)

Classical[ˈjak.tãːs]Ecclesiastical[ˈjak.tans]

singular
form	masculine	feminine	neuter
nominative	iactāns	iactāns	iactāns
genitive	iactantis	iactantis	iactantis
dative	iactantī	iactantī	iactantī
accusative	iactantem	iactantem	iactāns
ablative	iactantī iactante	iactantī iactante	iactantī iactante
vocative	iactāns	iactāns	iactāns

plural
form	masculine	feminine	neuter
nominative	iactantēs	iactantēs	iactantia
genitive	iactantium	iactantium	iactantium
dative	iactantibus	iactantibus	iactantibus
accusative	iactantīs iactantēs	iactantīs iactantēs	iactantia
ablative	iactantibus	iactantibus	iactantibus
vocative	iactantēs	iactantēs	iactantia

jactans, antis, Part. and P. a., from jacto.

Present active participle of iactō (“throw, cast”)