Utor: To Use

Ūtor means “use,” “employ,” “make use of,” or sometimes “enjoy/experience.” Its principal parts are ūtor, ūtī, ūsus sum. It is a third-conjugation deponent: passive-looking forms carry active meaning. Its resource or instrument is normally ablative, not accusative.

That governed ablative is lexical. It does not mark a passive agent, and it remains ablative with finite forms and with the active-meaning perfect participle.

In early drama a reader may meet the expanded infinitive ūtier; archaic inscriptions also preserve older spellings of the stem. These are recognition forms, not alternatives to introduce into ordinary Classical prose.

Indicative: Active Meaning, Passive Form

Tense1st sg.2nd sg.3rd sg.1st pl.2nd pl.3rd pl.
Presentūtorūterisūtiturūtimurūtiminīūtuntur
Imperfectūtēbarūtēbārisūtēbāturūtēbāmurūtēbāminīūtēbantur
Futureūtarūtērisūtēturūtēmurūtēminīūtentur
Perfectūsus sumūsus esūsus estūsī sumusūsī estisūsī sunt
Pluperfectūsus eramūsus erāsūsus eratūsī erāmusūsī erātisūsī erant
Future perfectūsus erōūsus erisūsus eritūsī erimusūsī eritisūsī erunt

The perfect participle agrees with the subject: Lūcia hāc clāvī ūsa est “Lucia used this key”; fēminae clāvibus ūsae sunt “the women used the keys.” The ablative complement does not control agreement.

Faber malleō ūtitur.

The craftsman uses a hammer.

Hāc viā saepe ūtēbāmur.

We often used this road.

Crās aliō cōnsiliō ūtar.

Tomorrow I shall use a different plan.

Lūcia meō librō ūsa est.

Lucia used my book.

Complete Subjunctive

Tense1st sg.2nd sg.3rd sg.1st pl.2nd pl.3rd pl.
Presentūtarūtārisūtāturūtāmurūtāminīūtantur
Imperfectūtererūterērisūterēturūterēmurūterēminīūterentur
Perfectūsus simūsus sīsūsus sitūsī sīmusūsī sītisūsī sint
Pluperfectūsus essemūsus essēsūsus essetūsī essēmusūsī essētisūsī essent

First-person ūtar is future indicative or present subjunctive. An independent future or a clause introduced by ut resolves the mood.

Magister rogat ut tabulīs cērātīs ūtāmur.

The teacher asks us to use wax tablets.

Sī meliōre duce ūsī essēmus, nōn errāvissēmus.

If we had used a better guide, we would not have lost our way.

Imperatives and Non-Finite Forms

Present imperatives are ūtere and ūtiminī. The future imperative has ūtitor for the second or third person singular and ūtuntor for the third person plural; these forms belong chiefly to formal or archaizing directions.

Ūtere hāc occāsiōne dum licet.

Use this opportunity while it is permitted.

CategoryForm and meaning
Present infinitiveūtī — to use
Perfect infinitiveūsus, -a, -um esse — to have used
Future infinitiveūsūrus, -a, -um esse — to be about to use
Present participleūtēns — using
Perfect participleūsus — having used
Future participleūsūrus — about to use
Gerundūtendī, ūtendō, ūtendum, ūtendō
Gerundiveūtendus, -a, -um — to be used
Supinesūsum, ūsū — morphologically regular, but rare

The perfect participle ūsus is active in meaning. The gerundive expresses necessity, but the ordinary second periphrastic keeps ūtor's ablative complement and is impersonal: hāc rē ūtendum est “this thing must be used / one must use this thing.” Do not turn the ablative into a nominative subject as though ūtor were an ordinary transitive verb. In oblique gerundive phrases Latin can nevertheless use agreement, as in ad hanc rem ūtendam “for using this thing”; that construction does not license personal haec rēs ūtenda est.

Eō cōnsiliō ūsus, perīculum vītāvit.

Having used that plan, he avoided the danger.

Hāc occāsiōne statim ūtendum est.

We must use this opportunity at once.

The Ablative Complement

English treats “the tool” as a direct object. With ūtor, Latin presents it as the resource employed and marks it ablative: gladiō, clāvī, cōnsiliō, verbīs. Do not add ā/ab; that would invite an agent or source reading.

Early Latin sometimes gives ūtor an accusative, and the oblique gerundive construction can behave transitively, but neither exception changes the normal Classical finite construction. For prose production, choose the bare ablative unless a specific attested idiom requires otherwise.

Scrība verbīs simplicibus ūtitur.

The clerk uses simple words.

Nōlī meā patientiā abūtī.

Do not take advantage of my patience.

The governed case is explained with the broader group on deponents with special case government.

Range of Meaning

With a concrete object ūtor means employ a tool or resource. With abstractions it can mean adopt a method, exercise a right, experience a condition, or enjoy someone’s services or friendship: iūre ūtī “exercise a right,” ōtiō ūtī “enjoy leisure,” amīcō ūtī “make use of a friend’s help / associate with a friend.” Translate according to the noun rather than forcing English “use” everywhere.

Cīvēs eōdem iūre ūtuntur.

The citizens enjoy the same legal right.

Using a person is not necessarily exploitative in Latin; context supplies the ethical coloring. Where English “use someone” would sound harsh, “rely on someone’s services” may better represent ūtor.

Compounds and Relatives

The chief compound is abūtor, abūtī, abūsus sum, “use up, misuse, exploit.” In Classical prose it preserves the ablative. Early comedy also has an accusative with abūtor, so an archaic citation is not evidence that the Classical rule is optional. Its prefix can add exhaustion or wrongful use; context decides.

Magistrātus potestāte suā abūsus est.

The magistrate abused his power.

The familiar group ūtor, fruor, fungor, potior, and vescor shares special ablative government, but these are separate lexemes, not compounds of ūtor.

When English Requires a Passive

Because ūtor is deponent, its finite forms do not provide an ordinary passive meaning “be used.” Latin often chooses another verb, especially adhibeō “apply, employ,” when the thing used must become the grammatical subject.

Medicus hoc remedium adhibet.

The doctor uses this remedy.

Hoc remedium ā medicō adhibētur.

This remedy is used by the doctor.

Trying to make remedium ūtitur mean “the remedy is used” fails twice: ūtitur remains active in meaning, and its usable resource would have to be ablative. Lexical choice, not a change of ending, supplies the passive viewpoint. The impersonal gerundive hāc rē ūtendum est can express obligation, but it still keeps the resource in the ablative and does not create an ordinary finite passive.

Parsing Diagnostic

Identify ūt-, ūs-, or abūs- and verify the deponent lemma before translating passive-looking endings. Locate a bare ablative resource, not an accusative object or ablative agent. In the perfect system, make ūsus agree with the subject; in a gerundive clause, restore genuine passive obligation.

Common Mistakes

Making the resource accusative

❌ Hanc clāvem ūtor.

Incorrect — ūtor governs the ablative.

✅ Hāc clāvī ūtor.

I use this key.

Adding ā because the ending looks passive

❌ Ā gladiō ūtitur.

Incorrect for ‘he uses a sword’ — the instrument is a bare ablative.

✅ Gladiō ūtitur.

He uses a sword.

Inventing an active perfect

❌ Lūcia meō librō ūtīvit.

Incorrect — the perfect is ūsa est.

✅ Lūcia meō librō ūsa est.

Lucia used my book.

Forgetting participial agreement

❌ Fēminae eō cōnsiliō ūsus sunt.

Incorrect — feminine plural subjects require ūsae.

✅ Fēminae eō cōnsiliō ūsae sunt.

The women used that plan.

Key Takeaways

  • Memorize ūtor, ūtī, ūsus sum as a deponent verb.
  • The resource used is normally ablative without a preposition.
  • Perfect ūsus sum and participle ūsus have active meaning; necessity is normally impersonal, as in hāc rē ūtendum est.
  • Compound abūtor generally preserves the ablative while adding “misuse” or “use up.”

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Related Topics

  • Sequor: To FollowA2 — A complete reference for the deponent sequor, including its full paradigm, direct-object government, temporal and logical meanings, participles, and compounds.
  • Patior: To Suffer or AllowA2 — A complete reference for the deponent patior, including its mixed third-conjugation paradigm, suffering and permission, participles, gerundive, and compounds.
  • Deponents with Special Case GovernmentB1 — Learn which frequent deponents select ablative, genitive, or dative complements instead of the accusatives suggested by English.
  • Ablative with Special Deponent VerbsB1 — Learn the ablative complements of ūtor, fruor, fungor, potior, and vēscor, including their compounds and genuine case exceptions.