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aeternus: all forms

aeternus means “eternal, everlasting; (aeternum) forever”. Below is its full declension in Latin.

Positive

Positive, singular
MasculineFeminineNeuterForms
Nominativeaeternusaeternaaeternum
Genitiveaeterniaeternaeaeterni
Dativeaeternoaeternaeaeterno
Accusativeaeternumaeternamaeternum
Ablativeaeternoaeternaaeterno
Vocativeaeterneaeternaaeternum
Positive, plural
MasculineFeminineNeuterForms
Nominativeaeterniaeternaeaeterna
Genitiveaeternorumaeternarumaeternorum
Dativeaeternis
Accusativeaeternosaeternasaeterna
Ablativeaeternis
Vocativeaeterniaeternaeaeterna

Comparative

Comparative, singular
NeuterForms
Nominativeaeterniusaeternior
Genitiveaeterniorisaeternioris
Dativeaeterniori
Accusativeaeterniusaeterniorem
Ablativeaeterniore · aeterniori
Vocativeaeterniusaeternior
Comparative, plural
NeuterForms
Nominativeaeternioraaeterniores
Genitiveaeterniorum
Dativeaeternioribus
Accusativeaeternioraaeterniores
Ablativeaeternioribus
Vocativeaeternioraaeterniores

Superlative

Superlative, singular
MasculineFeminineNeuterForms
Nominativeaeternissimusaeternissimaaeternissimum
Genitiveaeternissimiaeternissimaeaeternissimi
Dativeaeternissimoaeternissimaeaeternissimo
Accusativeaeternissimumaeternissimamaeternissimum
Ablativeaeternissimoaeternissimaaeternissimo
Vocativeaeternissimeaeternissimaaeternissimum
Superlative, plural
MasculineFeminineNeuterForms
Nominativeaeternissimiaeternissimaeaeternissima
Genitiveaeternissimorumaeternissimarumaeternissimorum
Dativeaeternissimis
Accusativeaeternissimosaeternissimasaeternissima
Ablativeaeternissimis
Vocativeaeternissimiaeternissimaeaeternissima

Meaning and examples of aeternus

Source: Socratos (socratos.org), a free reader for Ancient Greek and Latin. Grammar from the Perseus Treebank and Morpheus; dictionary entries from Lewis & Short, A Latin Dictionary (Perseus Digital Library, CC BY-SA). Counts are from the texts on Socratos.