Case Usage: An Overview

Alexei Varah
Mar 8
7 min read

What is Case Usage in Latin?

Before we explain what case usage is, first, we need to explain what a case actually is. A case, in its simplest form, refers to a formal marker (in Latin represented by endings added to the ends of nouns or adjectives) that tells you how a noun or adjective relates to other words in a sentence. In Latin, there are 7 distinctive cases: the nominative, genitive, dative, accusative, ablative, vocative, and locative (although this one is slightly vestigial, considering it only applies to a select few nouns. Case usage is, as the name implies, how one uses these cases in a sentence. Cases can serve multiple functions, and the case usages below give specific names to those functions.

Why is Case Usage Important

So....this is the question to end all questions. Why did we at Aeterna Poesis compile an entire article pertaining to the specific uses of cases that, at least when reading the English explanations, are so intuitive? It feels, on first glance, superfluous. And perhaps, to certain gifted Latin users, it is. But to me, and a good chunk of the other Latin learners that I know, it is an extremely helpful tool. Having categories to fit different case uses into is often the first step towards understanding how and why a specific case is used in an ancient text. Latin is a complicated language, and because it isn't spoken every day, acquiring an intuitive understanding of the functions of specific nouns doesn't come as naturally as it would for someone with constant exposure to a language. Therefore, defining specific case uses can help contextualize the noun within a sentence and help facilitate a greater understanding of the text as a whole. Now, it is essential to note that these categories were created not by ancient Romans, but by those studying the language after the fact. They are not all encompassing, often overlap, and can be extremely confusing (and the list below is extremely limited as well). Yet, I hope you still find that these tools assist in your understanding of all aspects of Latin you engage with going forward. Without further ado, let us begin with the nominative!

Nominative:

Subject of the conjugated verb
1. Caesar militem hortatur.
2. Aeneas tempestatem videt et exclamat.
3. English examples:
  1. She wants to eat candy
  2. Eliza gets sick in the spring.
Predicate nominative; part of predicate (most often with a linking verb) (not describing nominative subject)
1. Caesar est dux.
2. miles Pullo appellatur.
3. Marius est altior quam Sulla. (but not Marius altior Sullam vituper at)
4. English examples:
  1. He is a doctor.
  2. The bachelor is wealthier than his best friend.

Genitive:

Possession; with a (usually) tangible object, showing whose it is (children are included as objects in this case)
1. Fines Helvetiōrum angustī erant. (Helvetiōrum describes the fines as belonging to the Helvetii)
2. Canis mercatoris me momordit
3. English examples:
  1. The children's laughter filled the schoolyard.
  2. Her scarf is pink and spectacular.
Partitive; shows the larger group/body to which something belongs, often used with numbers or words that suggest quantity
1. aliī militum portās castrōrum custodiunt.
2. servus plus vinī in pocula fudit.
3. duōs legatōs, nobilissimōs civitatis, mittunt.
4. Catullus oculōs Lesbiae laudat.
5. English examples:
  1. I only tolerate one of them.
  2. Five of the girls were asked to the dance.
Description/quality; with qualities (almost always noun and adjective)
1. legatus summae dignitatis Caesarem adloquitur
2. miles magnae fortitudinis sociōs hortatus est.
3. moenia sedecim pedum fēcerunt.
4. English examples:
  1. Brian's dignity leads all to respect him.
  2. The silkiness of the dress is what makes it so pricey.
Subjective; with nouns of action, feeling, etc, the genitive indicates the source of the verbal idea
1. clamores militum audimus. (We hear the shouts of the soldiers/the soldiers are shouting)
2. Caesar, cum consilium Helvetiōrum cognoscit, ad montem proficiscitur.
3. English examples:
  1. The screaming of the citizens reverberated throughout the kingdom
  2. We heard the wails of sirens, the pounding of rain, and the crashing of waves.
Objective: with nouns of action, feeling, etc
1. Bellimicus, spē praemiī inductus, Salvium adiuvat. (B., led on by the hope of reward.../ B hopes for a reward)
2. legatus excidium Karthaginis senatoribus nuntiavit.
3. English examples:
  1. The hatred of the witch spans throughout the kingdom.
  2. The town's destruction was filmed for the world to see.
Memory; verbs and adjectives concerned with memory (and forgetting) often take the genitive
1. Juno, memor bellī quod pro Argīs gesserat, Aeneam procul ab Italiā arcebat.
2. English examples:
  1. The dedication in the book was in memory of her mother.
  2. His forgetting of her birthday hurt her feelings.

Dative:

Indirect object of verb; the person who gets a benefit from the action, but isn’t the focus of the verbal force
1. Aeneas errores et labores suōs Poenīs renovavit.
2. Venus filiō cursum ad urbem monstrat.
3. Modestus fibulam Vilbiae dat.
4. English examples:
  1. I gave the book to my best friend.
  2. I loved the necklace my father gifted to me for my birthday.
With special verbs, essentially, the same as direct object of a normal verb
1. Helvetiī finibus provinciae appropinquant.
2. Caesarī favemus.
3. English examples:
  1. I trusted the politician with my vote.
  2. I quickly approach the stadium so I won't miss the game.
Possession; usually with esse, emphasizes the possessor
1. hīs nullae opes sunt, illīs divitiae maximae.
2. mihi nomen est....
3. English examples:
  1. My birthday is on a Friday this year.
  2. His name is not on the list of the most popular girl names.
Agent with gerundive (indicates the obliged individual)
1. Melissa cibum Cerberō consumendum in poculum ponit.
2. Haec vobis provincia est defendenda
3. English examples:
  1. I must find the golden sword.
  2. The singer must sing his most popular song.
Purpose: used with abstract verbal nouns, more common in a military context
1. omnia deerant quae ad reficiendas naves erant usui
2. Caesar equites auxiliō misit.
3. English examples:
  1. The commander sent the backup forces as a relief to our men.
  2. The future king chose a place for his kingdom.
Reference: usually doesn’t depend on a single particular word, indicates the individual whose point of view is affected by the action
1. hoc tibi didicisti
2. Caesar Ciceronī fratrem laudavit
3. English examples:
  1. To him, the angel's hair is magnificent.
  2. An artist's desire for beauty might be deadly for them.
Double dative: dative of purpose and dative of reference
1. Caesar equites militibus auxiliō misit.
2. Caesar quinque cohortēs castrīs praesidiō relinquit.
3. English examples:
  1. She worked hard for her son's benefit.
  2. The general left three soldiers for guarding her base.

Accusative:

Direct object of verb;
1. naves in mare videmus.
2. Brutus Caesarem interfecit.
3. English examples:
  1. The girl reads a book
  2. The sea swallows the shore.
Duration of time/extent of space;
1. milites quinquaginta millia progrediuntur.
2. totam noctem dormimus.
3. English examples:
  1. He worked for three straight days.
  2. I traveled the seas for two decades.
Motion towards; uses a preposition
1. Laocoon hastam in latus equī ligneī misit.
2. Iuppiter vertice caelī constitit et lumina ad Libyam vertit.
3. English examples:
  1. She runs swiftly to the library.
  2. Maya despises going to school.
Greek accusative of Respect; mimics Greek middle voice, a passive participle or verb being used to show that the subject is doing the action reflexively
1. miles gladium cingitur.
2. dracones ardentīs oculōs suffectī sanguine et īgnī ad oram natabant.
  1. English examples:
    1. She is beautiful in body and in soul.
    2. He is tall in stature.
(indirect speech); the subject of indirect speech is expressed in the accusative
1. Also in indirect speech is the predicate accusative
2. Dīcit puerum cantāre
3. English examples:
  1. She asks if he had seen her cat.
  2. The goddess wonders whether her daughter has become a lawyer.

Ablative:

With preposition; SID SPACE (see below), usually just descriptive of the verb
1. Sub: under
2. In: in/on
3. De: down from/about
4. Sine: without
5. Pro: on account of/in front of
6. A/Ab: away from
7. Cum: with
8. E/Ex: out of
Agent; indicates the person responsible for the action of a passive verb, must us a/ab
1. Sinon ab agricolīs ad Priam ductus est.
2. puer ā magistrō laudātur
3. English examples:
  1. He is hated by his boss.
  2. She was loved by her best friend.
Means/instrument; indicates the means (abstract) or instrument (concrete) nouns used to accomplish the verb (active or passive)
1. venator leporem retiīs capit.
2. lepus retiīs captus est.
3. English examples:
  1. He was killed with a sword.
  2. Her heart was mended by hope.
Accompaniment; adds another subject, just not in nominative; uses cum, often with words of fighting
1. Haterius diem natalem cum multīs amicīs celebrabat.
2. Gallī cum Germanīs pugnabant.
3. English examples:
  1. He walked with his father along the shore.
  2. The dog sniffed the grass with the cat close by his side.
Manner; used with nouns denoting quality, with cum (unless also with adjective), adverbial
1. exercitus cum celeritate processit.
2. milites impetum summā (cum) vī fecerant.
3. English examples:
  1. He speaks with a soft voice.
  2. She runs with quick feet.
Cause; may use preposition, indicates cause of action
1. mare a sole lucet.
2. Troianī, hostes avectōs credentes, carmina sacra gaudiō canunt.
3. English examples:
  1. Her heart burned with desire
  2. I wept for joy when I heard the excellent news.
Time when/Time within which; indicates when an action takes place, either its exact time or the span of time in which it occurs
1. quinque diebus Caesar ad provinciam advenit.
2. primā luce, Helvetiī flumen transīre temptabant.
3. English examples:
  1. On the seventh of January, the world almost ended.
  2. Five years ago, on her birthday, she forgot to buy candles.
Place where (different from locative); with preposition
1. Helvetiī in Germanōrum fīnibus bellum gerunt.
2. taurus sub arbore sedet.
3. English examples:
  1. He was born in a small town with a population of only a few thousand.
  2. The panda lived in a thick bamboo forest.
Separation; usually caused by outside forces and most often does not use a preposition, but may use de, e/ex, a/ab (overlaps with motion from)
1. milites, cum oppidum servaverint, cives timore mortis liberaverunt.
2. Alpes Germanōs ab Italiā dividunt.
3. English examples:
  1. The dog was saved from the river by a hanging branch.
  2. He was freed from fear by her comforting voice.
Motion from/place from which; with de, e/ex, a/ab, usually under one’s own power, overlaps with separation
1. cives de Capitolinō descenderunt.
2. Neptunus e mare surgit et naves conspicit.
3. English examples:
  1. He fled from the forest as quickly as his body would allow him.
  2. She emerged out of the cave after a failed attempt at hibernation.
Respect/Specification; this ablative indicates in what respect an adjective or adverb is true (can be translated as "with regards to [ablative]")
1. Marcus maior nātū est.
2. hic miles melior hastā est.
3. English examples:
  1. She is a fencing prodigy.
  2. His crime is worthy of punishment.

Vocative:

Direct address
1. Marce, tace!
2. Sorōres, nōlīte lacrimāre!
3. English examples:
  1. Hey you! Slow down!
  2. Liv, get over here!

Locative:

Place where, but only for the proper names of cities, towns, small islands, and the words domus, rus, humus
1. To show motion away or towards these nouns, use the ablative and accusative respectively and do NOT include a preposition

In Conclusion...

We hope you enjoyed this somewhat exhaustive case usage list! Please leave any comments, questions, or concerns below, and be sure to recommend future prose, poems, or other aspects of Latin you'd like to see in a later Aeterna Poesis post! Additionally, if you have any more vocabulary words you'd like see slotted in, please leave them below as well.