Servio: To Serve | Latin Grammar

Serviō means “serve,” “be in service,” or, more literally in many Roman contexts, “be enslaved.” Its principal parts are serviō, servīre, servīvī, servītum. It is a regular fourth-conjugation verb, but its syntax is unlike English serve: the person or interest served is normally dative, not accusative.

All unlabelled forms and uses below belong to ordinary Classical prose. The English word “serve” can conceal the social force of Latin serviō: with a person as its complement, it often says that the subject is subordinate to that person, not merely that the subject provides a service.

Stem Map and Parsing Routine

The three stems are unusually transparent. The present stem servī- builds serviō, serviēbam, and serviam; the perfect stem servīv- builds servīvī, servīveram, and servīverim; the supine stem servīt- builds servītum and servītūrus. When reading, identify the stem first, then person and tense, and only then translate. In an unmacronized text, serviam is still either future indicative “I shall serve” or present subjunctive “I may serve”; the clause, not the spelling, decides.

Dominō nōn serviō; lēgibus serviō.

I do not serve a master; I serve the laws.

The two datives show the same Latin structure even though idiomatic English says “serve a master” and “obey the laws.”

Complete Active Indicative

Tense	1st sg.	2nd sg.	3rd sg.	1st pl.	2nd pl.	3rd pl.
Present	serviō	servīs	servit	servīmus	servītis	serviunt
Imperfect	serviēbam	serviēbās	serviēbat	serviēbāmus	serviēbātis	serviēbant
Future	serviam	serviēs	serviet	serviēmus	serviētis	servient
Perfect	servīvī	servīvistī	servīvit	servīvimus	servīvistis	servīvērunt / servīvēre
Pluperfect	servīveram	servīverās	servīverat	servīverāmus	servīverātis	servīverant
Future perfect	servīverō	servīveris	servīverit	servīverimus	servīveritis	servīverint

Decem annōs eīdem dominō servīvit.

He served the same master for ten years.

Sī līberī erimus, nūllī tyrannō servīēmus.

If we are free, we shall serve no tyrant.

The imperfect describes an ongoing condition of service; the perfect treats a period of service as complete. The alternative third-person plural perfect in -ēre is (literary) but fully Classical.

Early Latin also preserves fourth-conjugation variants such as servībam and servībō beside the later standard serviēbam and serviam. The perfect may likewise contract servīv- to servi- (serviī, for example). These are attested variants, not stems to extend freely; the tables use the regular Classical prose forms built on servīv-.

Complete Active Subjunctive

Tense	1st sg.	2nd sg.	3rd sg.	1st pl.	2nd pl.	3rd pl.
Present	serviam	serviās	serviat	serviāmus	serviātis	serviant
Imperfect	servīrem	servīrēs	servīret	servīrēmus	servīrētis	servīrent
Perfect	servīverim	servīverīs	servīverit	servīverīmus	servīverītis	servīverint
Pluperfect	servīvissem	servīvissēs	servīvisset	servīvissēmus	servīvissētis	servīvissent

Nēmō postulat ut amīcus sibi serviat.

No one demands that a friend be his servant.

Sī pecūniae servīrēs, numquam satis habērēs.

If you were a slave to money, you would never have enough.

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Present serviam and perfect servīverit are morphologically ambiguous. A future time statement favors future or future perfect indicative; ut, nē, an indirect question, or a condition may require the subjunctive.

Voice: Why the Passive Is Normally Impersonal

Because the person served is dative rather than an accusative object, ordinary serviō does not form a personal passive meaning “be served.” Latin may suppress the servant and use third-person singular impersonal passive forms. These are grammatically possible but much less common than the active and tend toward (formal/literary) exposition.

System	Indicative	Subjunctive
Present	servītur	serviātur
Imperfect	serviēbātur	servīrētur
Future	serviētur	—
Perfect	servītum est	servītum sit
Pluperfect	servītum erat	servītum esset
Future perfect	servītum erit	—

Hīc deō fidēliter servītur.

Here the god is faithfully served. (Literally: service is rendered to the god here.)

The dative deō remains dative; it does not become nominative. In servītum est, the perfect participle is fixed neuter singular. A personal passive such as deus servītus est is not the normal Classical counterpart of English “the god was served.” See impersonal passive constructions.

Commands and Non-Finite Forms

The present active imperatives are servī, servīte. Future servītō, servītōte, serviuntō belongs chiefly to statutes and solemn injunctions (formal/archaic). Personal passive imperatives are not part of normal usage because the verb lacks a personal passive.

Category	Form and status
Present active infinitive	servīre
Perfect active infinitive	servīvisse
Future active infinitive	servītūrum esse
Present participle	serviēns, servientis
Future participle	servītūrus, -a, -um
Gerund	serviendī, serviendō, serviendum, serviendō
Gerundive	serviendum, impersonal in normal Classical use
Supines	servītum, servītū; uncommon outside lexical or purposive use
Impersonal passive infinitives	servī; servītum esse

Cīvibus lēgibusque serviendum est, nōn hominis libīdinī.

Citizens must serve the laws, not one man's whim.

Dīxit sē multōs annōs in exercitū servīvisse.

He said that he had served in the army for many years.

In the gerundive construction, the person obliged stands in the dative and serviendum est remains neuter singular. English makes “citizens” the subject; Latin presents the service as necessary “for the citizens.”

Complements, Meanings, and Compounds

The regular complement is a dative: dominō servīre “serve a master,” reī pūblicae servīre “serve the state,” voluptātī servīre “be a slave to pleasure.” An in phrase can give a sphere, as in in exercitū servīre “serve in the army.” Do not replace the dative simply because English uses a direct object.

Medicī salūtī aegrōrum serviunt.

Doctors serve the welfare of their patients.

The compounds retain fourth-conjugation present-system morphology. Dēserviō, dēservīre means “serve devotedly” or “be at the service of,” often with a dative; its listed perfect and supine forms are later rather than safe Classical production choices. Inserviō, inservīre, inservīvī (also inserviī), inservītum means “devote oneself to, be useful for,” again commonly with a dative. These compounds can sound more emphatic or specialized than simple serviō (formal).

Orātor causae amīcī dēservit.

The advocate devotes his efforts to his friend's case.

Haec ratiō ūnī cōnsiliō inservit.

This method serves one purpose.

The derived noun servus means an enslaved man, while servitium denotes slavery or service. Their social vocabulary should not be softened automatically into modern employment language.

Common Mistakes

Treating the person served as an accusative object

❌ Bonum dominum servīvit.

Incorrect — the person served is normally dative.

✅ Bonō dominō servīvit.

He served a good master.

Treating a present form as a perfect

❌ Multōs annōs servit.

Incorrect for completed service — servit is present; the reference perfect is servīvit.

✅ Multōs annōs servīvit.

He served for many years.

Making an English-style personal passive

❌ Deus ā sacerdōtibus servītus est.

Incorrect as the normal Classical passive of serviō.

✅ Deō ā sacerdōtibus servītum est.

The priests served the god. (Literally: service was rendered to the god by the priests.)

Confusing future indicative and present subjunctive

❌ Rogat quandō dominō serviam.

Incorrectly translated with an English future in this indirect question — serviam is subjunctive here.

✅ Crās dominō serviam.

Tomorrow I shall serve the master.

Key Takeaways

Learn serviō, servīre, servīvī, servītum; the visible stem identifies the verbal system.
Put the person, cause, or interest served in the dative.
The passive is impersonal: deō servītur, not a personal nominative construction.
Distinguish identical-looking forms such as serviam by their clause and time reference.

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