LATIN DICTIONARYLexicon Latīnum
adjectivefirst/second-declension adjective

memoriōsus

memoriōsus (feminine memoriōsa, neuter memoriōsum)
Classical[mɛ.mɔ.riˈoː.sʊs]Ecclesiastical[me.mo.riˈɔː.s̬us]

Meaning

  1. adjectiveobsoleteof good and reliable memory

Declension

singular
formmasculinefeminineneuter
nominativememoriōsusmemoriōsamemoriōsum
genitivememoriōsīmemoriōsaememoriōsī
dativememoriōsōmemoriōsaememoriōsō
accusativememoriōsummemoriōsammemoriōsum
ablativememoriōsōmemoriōsāmemoriōsō
vocativememoriōsememoriōsamemoriōsum
plural
formmasculinefeminineneuter
nominativememoriōsīmemoriōsaememoriōsa
genitivememoriōsōrummemoriōsārummemoriōsōrum
dativememoriōsīsmemoriōsīsmemoriōsīs
accusativememoriōsōsmemoriōsāsmemoriōsa
ablativememoriōsīsmemoriōsīsmemoriōsīs
vocativememoriōsīmemoriōsaememoriōsa

mĕmŏrĭōsus, a, um, adj. memoria,
I. that has a good memory, Paul. ex Fest. p. 124 Müll.: memoriosus, et memoriose, Fronto de Differ. Voc. p. 2194 P.; cf.: memoriosus, μνημονικός, Gloss. Philox.— Hence, adj.: mĕmŏrĭōse, with a good memory, Fronto l. l.

Origins

From memoria (“memory”) + -ōsus (“full of”).

Quick answers

What does memoriōsus mean in Latin?
memoriōsus, a adjective, means “of good and reliable memory”.
How do you pronounce memoriōsus?
In classical Latin, [mɛ.mɔ.riˈoː.sʊs]; in ecclesiastical (church) Latin, [me.mo.riˈɔː.s̬us].