LATIN DICTIONARYLexicon Latīnum
verbsecond conjugation

terreō

terreō (present infinitive terrēre, perfect active terruī, supine territum)
Classical[ˈtɛr.re.oː]Ecclesiastical[ˈtɛr.re.o]
№ 705 of the 1,000 commonest wordsMille Verba core vocabulary

Meaning

  1. to frighten, terrify, alarm
    dic quaeso num te illa terrent: triceps apud inferos Cerberus, Cocyti fremitus, transvectio AcherontisPlease tell me whether these things frighten you: Cerberus, the three-headed dog of the Underworld; the roar of Cocytus; or the crossing of the Acheron.239 BCE – 169 BCE, Ennius, Annals (Doubtful Fragments) 3
  2. to deter by terror, scare (away)
    Memoria pessimi proximo bello exempli terrebat ne rem committerent eo ubi duae simul acies timendae essentThe memory of a most foul example set during the last war deterred them from commencing battle at a location where they must fear two armies at once27 BCE – 25 BCE, Titus Livius, Ab urbe condita 2.45.1

Latīnē defined in Latin in our graded readers

timēre faciō; tonitrus puerōs terret.
terreō -ēre terruī — in Mille Verba, Animus et Adfectūs

Conjugation conjugation 2

active indicative
formpresentimperfectfutureperfectpluperfectfut. perfect
1st sg.terreōterrēbamterrēbōterruīterrueramterruerō
2nd sg.terrēsterrēbāsterrēbisterruistīterruerāsterrueris
3rd sg.terretterrēbatterrēbitterruitterrueratterruerit
1st pl.terrēmusterrēbāmusterrēbimusterruimusterruerāmusterruerimus
2nd pl.terrētisterrēbātisterrēbitisterruististerruerātisterrueritis
3rd pl.terrentterrēbantterrēbuntterruērunt
terruēre
terruerantterruerint
active subjunctive
active subjunctive
formpresentimperfectperfectpluperfect
1st sg.terreamterrēremterruerimterruissem
2nd sg.terreāsterrērēsterruerīsterruissēs
3rd sg.terreatterrēretterrueritterruisset
1st pl.terreāmusterrērēmusterruerīmusterruissēmus
2nd pl.terreātisterrērētisterruerītisterruissētis
3rd pl.terreantterrērentterruerintterruissent
passive indicative
passive indicative
formpresentimperfectfuture
1st sg.terreorterrēbarterrēbor
2nd sg.terrēris
terrēre
terrēbāris
terrēbāre
terrēberis
terrēbere
3rd sg.terrēturterrēbāturterrēbitur
1st pl.terrēmurterrēbāmurterrēbimur
2nd pl.terrēminīterrēbāminīterrēbiminī
3rd pl.terrenturterrēbanturterrēbuntur
passive subjunctive
passive subjunctive
formpresentimperfect
1st sg.terrearterrērer
2nd sg.terreāris
terreāre
terrērēris
terrērēre
3rd sg.terreāturterrērētur
1st pl.terreāmurterrērēmur
2nd pl.terreāminīterrērēminī
3rd pl.terreanturterrērentur
imperative
imperative
formactivepassive
pres. 2nd sg.terrēterrēre
pres. 2nd pl.terrēteterrēminī
fut. 2nd sg.terrētōterrētor
fut. 3rd sg.terrētōterrētor
fut. 2nd pl.terrētōte—
fut. 3rd pl.terrentōterrentor
infinitives & participles
infinitives & participles
formactivepassive
present infinitiveterrēreterrērī
perfect infinitiveterruisseterritum esse
future infinitiveterritūrum esseterritum īrī
present participleterrēns
terrente, terrentem, terrentēs, terrentī, terrentia, terrentibus, terrentis, terrentīs, terrentium
—
perfect participle—territus
territa, territā, territae, territam, territārum, territās, territe, territī, territīs, territō, territōrum, territōs
future participleterritūrus
territūra, territūrā, territūrae, territūram, territūrārum, territūrās, territūre, territūrī, territūrīs, territūrō, territūrōrum, territūrōs, territūrum
terrendus
gerundterrendī, terrendō, terrendumsupineterritum, territū

terrĕo, ŭi, ĭtum, 2, v. a. Sanscr. root tras-, trasāmi, tremble; Gr. τρέω,
I. to frighten, affright, put in fear or dread, to alarm, terrify.
I. Lit. (class. and very freq.): nec me ista terrent, Cic. Fam. 2, 16, 4: adversarios, id. de Or. 1, 20, 90: qui urbem totam . . . caede incendiisque terreret, id. Har. Resp. 4, 6: eum hominem istis mortis aut exsilii minis, id. Par. 2, 17: suae malae cogitationes terrent, id. Rosc. Am. 24, 67: maris subita tempestas terret navigantes, id. Tusc. 3, 22, 52: milites . . . alii se abdere, pars territos confirmare, Sall. J. 38, 5: multum ad terrendos nostros valuit clamor, Caes. B. G. 7, 84: mortis metu territi, Curt. 6, 7, 10; 9, 4, 16: aliquem proscriptionis denuntiatione, Cic. Planc. 35, 87: metu poenāque, id. Rep. 5, 4, 6: ut in scenā videtis homines consceleratos impulsu deorum terreri Furiarum taedis ardentibus, id. Pis. 20, 46: terrere metu, Liv. 36, 6, 10: territus hoste novo, Ov. M. 3, 115. — With ne and subj.: Samnites maxime territi, ne ab altero exercitu integro intactoque fessi opprimerentur, Liv. 10, 14, 20: terruit urbem, Terruit gentes, grave ne rediret Saeculum Pyrrhae, Hor. C. 1, 2, 4 sq.—With gen.: territus animi, Sall. H. Fragm. 4, 50 Dietsch; Liv. 7, 34, 4.—Absol.: ut ultro territuri succlamationibus, concurrunt, Liv. 28, 26, 12.—
II. Transf.
A. To drive away by terror, to frighten or scare away (poet.): profugam per totum terruit orbem, Ov. M. 1, 727: fures vel falce vel inguine, id. ib. 14, 640; cf.: has (Nymphas) pastor fugatas terruit, id. ib. 14, 518: volucres (harundo), Hor. S. 1, 8, 7: saepe etiam audacem fugat hoc terretque poëtam, id. Ep. 2, 1, 182: terret ambustus Phaethon avaras Spes, id. C. 4, 11, 25.—
B. To deter by terror, to scare, frighten from any action: aliquem metu gravioris servitii a repetendā libertate, Sall. H. 1, 41, 6 Dietsch: ut, si nostros loco depulsos vidisset, quo minus libere hostes insequerentur, terreret, Caes. B. G. 7, 49.—With ne, Tac. H. 2, 63; 3, 42: memoria pessimi proximo bello exempli terrebat, ne rem committerent eo, Liv. 2, 45, 1: praesentiā tuā, ne auderent transitum, terruisti, Auct. Pan. ap. Constant. 22: non territus ire, Manil. 5, 576: inimicos loqui terrent amplitudine potestatis, Amm. 27, 7, 9.

Origins

From *tr̥reō, from Proto-Italic *trozeō, from Proto-Indo-European *troséyeti, causative from *tres- (“to tremble”), extended form of Proto-Indo-European *ter-. Cognate with Avestan 𐬙𐬭𐬆𐬭𐬆𐬯𐬀𐬌𐬙𐬌 (trər^əsaⁱti), Ancient Greek τρέω (tréō), Old Irish tarrach, Lithuanian trišu, Latvian trisēt, Old Church Slavonic трѧсти (tręsti), Sanskrit त्रसति (trasati). See also tremō, trepidus.

In English words that came into English from terreō

  • terrorterror
  • terribleterribilis
  • deterdēterreō
  • terrificterrificus
  • deterrentdēterrēns

Quick answers

What does terreō mean in Latin?
terreō, a verb, means “to frighten, terrify, alarm; to deter by terror, scare (away)”.
What are the principal parts of terreō?
terreō, terrēre, terruī, territum (second conjugation).
How do you pronounce terreō?
In classical Latin, [ˈtɛr.re.oː]; in ecclesiastical (church) Latin, [ˈtɛr.re.o].
Which English words come from terreō?
English words that go back to Latin terreō include terror, terrible, deter, terrific and deterrent.