illustris, illustre, illustrior -or -us, illustrissimus -a -um:

Adjective · 3rd declension · variant: 2nd

Frequency:
Frequent
Dictionary:
Oxford Latin Dictionary (OLD)

bright, shining, brilliant; clear, lucid; illustrious, distinguished, famous;

Inflections

positive

neuter
CaseSingularPlural
Nom.
illustre
illustria
Acc.
illustre
illustria
Voc.
illustre
illustria

comparative

neuter
CaseSingularPlural
Nom.
illustrius
illustriora
Gen.
illustrioris
—
Acc.
illustrius
illustriora
Voc.
illustrius
illustriora

superlative

masculine
CaseSingularPlural
Nom.
illustrissimus
illustrissimi
Gen.
illustrissimi
illustrissimorum
Dat.
illustrissimo
—
Acc.
illustrissimum
illustrissimos
Voc.
illustrissime
illustrissimi
Abl.
illustrissimo
—
feminine
CaseSingularPlural
Nom.
illustrissima
illustrissimae
Gen.
illustrissimae
illustrissimarum
Dat.
illustrissimae
—
Acc.
illustrissimam
illustrissimas
Voc.
illustrissima
illustrissimae
Abl.
illustrissima
—
neuter
CaseSingularPlural
Nom.
illustrissimum
illustrissima
Gen.
illustrissimi
illustrissimorum
Dat.
illustrissimo
—
Acc.
illustrissimum
illustrissima
Voc.
illustrissimum
illustrissima
Abl.
illustrissimo
—