What does perattentus mean in Latin?

perattentus, a adjective, means “very attentive”.

How do you pronounce perattentus?

In classical Latin, [pɛ.ratˈtɛn.tʊs]; in ecclesiastical (church) Latin, [pe.ratˈtɛn.tus].

adjectivefirst/second-declension adjective

perattentus (feminine perattenta, neuter perattentum)

Classical[pɛ.ratˈtɛn.tʊs]Ecclesiastical[pe.ratˈtɛn.tus]

singular
form	masculine	feminine	neuter
nominative	perattentus	perattenta	perattentum
genitive	perattentī	perattentae	perattentī
dative	perattentō	perattentae	perattentō
accusative	perattentum	perattentam	perattentum
ablative	perattentō	perattentā	perattentō
vocative	perattente	perattenta	perattentum

plural
form	masculine	feminine	neuter
nominative	perattentī	perattentae	perattenta
genitive	perattentōrum	perattentārum	perattentōrum
dative	perattentīs	perattentīs	perattentīs
accusative	perattentōs	perattentās	perattenta
ablative	perattentīs	perattentīs	perattentīs
vocative	perattentī	perattentae	perattenta

pĕr-attentus, a, um, adj.,

I. very attentive: animus, Cic. Verr. 2, 3, 5, § 10.—Adv.: pĕrattentē, very attentively: audire aliquem, Cic. Cael. 11, 25.

From per- + attentus.