LATIN DICTIONARYLexicon Latīnum
noun · femininethird declension

opīniō

opīniō f (genitive opīniōnis)
Classical[ɔˈpiː.ni.oː]Ecclesiastical[oˈpiː.ni.o]

Meaning

  1. opinion, conjecture, imagination, fancy, belief, expectation
    Hanc excutere opīniōnem mihimet voluī rādīcitus.I wished, for my own sake, to pluck up this opinion by the roots.
  2. reputation, esteem
  3. report, rumor

Latīnē defined in Latin in our graded readers

quod hominēs putant; sententia
opinion, expectation
opīniō -ōnis (f) — in De Bello Gallico III, ch. 7

Choosing the right word Döderlein's Latin Synonyms

Sententia · Opinio · Suffragium

1. Sententia is the view of a subject, resting upon clear perception and acquired conviction, like γνώμη; opinio, an opinion resting upon mere feeling, like δόξα. 2. Sententia is the vote of a senator upon any motion, etc., like γνώμη; whereas suffragium, the simple voting, pronouncing yes or no, or a name, like ψῆφος.

Declension

declension
formsingularplural
nominativeopīniōopīniōnēs
genitiveopīniōnisopīniōnum
dativeopīniōnīopīniōnibus
accusativeopīniōnemopīniōnēs
ablativeopīniōneopīniōnibus
vocativeopīniōopīniōnēs

Phrases from Meissner's Latin Phrase-Book

opinio dei
belief in god.
opinionis error
erroneous opinion.
ut mea fert opinio
according to my opinion.
opinionibus falsis imbui
to be imbibing false opinions.
opinionem virtutis habere
to have the reputation of virtue.
opinionum pravitate infici
to be filled with absurd prejudices.
opinio confirmata, inveterata
a rooted opinion.
opiniones falsas animo imbibere
to be imbibing false opinions.
5 more phrases
opinionum commenta (N. D. 2. 2. 5)
chimeras.
multum communi hominum opinioni tribuere
to be always considering what people think.
opinionum commenta, ineptiae, monstra, portenta
extravagant fictions of fancy.
ad vulgarem sensum or ad communem opinionem orationem accommodare (Off. 2. 10. 35)
to express oneself in popular language.
opinio praeiudicata, also simply opinio (not praeiudicium = a preliminary decision)
prejudice.

ŏpīnĭo, ōnis, f. id.,
I. opinion, supposition, conjecture, imagination, fancy, belief (class.).
I. In gen.: apud homines barbaros opinio plus valet saepe, quam res ipsa, Cic. Fragm. Scaur. 7: est ergo aegritudo opinio recens mali praesentis ... laetitia opinio recens boni praesentis ... metus opinio impendentis mali ... lubido opinio venturi boni, etc., id. Tusc. 4, 7, 14; cf. id. ib. 4, 11, 26: magna nobis pueris opinio fuit, L. Crassum non plus attigisse doctrinae, quam, id. de Or. 2, 1, 1: ut opinio mea est, as I suppose, as I believe, id. Fam. 9, 11, 1: ut opinio mea fert, as I believe, id. Font. 13, 39: mea fert opinio, ut, etc., Dig. 24, 1, 32: cujus opinionis etiam Cornelius Celsus est, Celsus also is of this opinion, Col. 2, 12, 6: Romulus habuit opinionem esse, etc., held the belief that, Cic. Div. 2, 33, 70: fuisse in illa populari opinione, to be of an opinion, id. Clu. 51, 142.—More rarely: alicujus opinionis esse, Col. 2, 12, 6: in eādem opinione fui ... te venturum esse, Cic. Att. 8, 11, D, 3: in quā me opinione sine causā esse, ne quis credat, Liv. 44, 38, 4: fuerunt in hac opinione non pauci, ut, etc., Quint. 3, 3, 11; cf. id. 4, 1, 28: cum etiam philosophi Stoicae disciplinae in eādem sint opinione, ut censeant, etc., Lact. 2, 5, 7; 3, 8, 32: cui opinioni nos quoque accedimus, Quint. 2, 15, 29: ipse eorum opinionibus accedo, qui, etc., Tac. G. 4: adducere aliquem in eam opinionem, ut, to make one believe, Cic. Caecin. 5, 13: Pisidae in opinionem adducuntur perfugas fecisse, ut, etc., Nep. Dat. 6, 6: praebere opinionem timoris, to convey the impression, occasion the belief that one is afraid, Caes. B. G. 3, 17: afferre alicui, Cic. Off. 2, 13, 46: incidere in opinionem, to fall into the belief, Dolab. ap. Cic. Fam. 9, 9, 1: in opinionem discedere, to come to the opinion, Cic. Fam. 6, 14, 2: opinione duci, to be led by one's belief, id. Mur. 30, 62: contra (praeter) opinionem, contrary to one's expectation: dicere contra opiniones omnium, id. Rosc. Am. 15, 45: etsi praeter opinionem res ceciderat, Nep. Milt. 2, 5.—With comp.: opinione citius, quicker than had been supposed, Varr. ap. Non. 356, 27: istuc curavi, ut opinione illius pulcrior sis, handsomer than he imagines, Plaut. Mil. 4, 6, 23: opinione melius res tibi habet tua, si, etc., id. Cas. 2, 5, 30: opinione celerius, Cic. Fam. 14, 23.—
II. In partic.
A. The repute of a man, the esteem, reputation in which others hold him, the opinion, estimate, expectation formed of him.
a. In gen.: opinione fortasse nonnullā, quam de meis moribus habebat, Cic. Lael. 9, 30: integritatis meae, id. Att. 7, 2, 5: non fallam opinionem tuam, id. Fam. 1, 6, 2: genus scriptorum tuorum vicit opinionem meam, exceeded my expectation, id. ib. 5, 12, 1: venit in eam opinionem Cassius, ipsum finxisse bellum, Cassius fell under suspicion of having, was believed to have, Cael. ap. Cic. Fam. 8, 10, 2: summam habere justitiae opinionem. Caes. B. G. 6, 24; 7, 59: quorum de justitiā magna esset opinio multitudinis, Cic. Off. 2, 12, 42: (Porus) bellum jampridem, auditā Alexandri opinione, in adventum ejus parabat, Just. 12, 8, 2.—
b. Absol., reputation: ne opinio quidem et fama, cui soli serviunt (poëtae), etc., Tac. Dial. 10 init.: cupidi opinionis, Quint. 12, 9, 4: affert et ista res opinionem, id. 2, 12, 5.—
c. Bad repute, reputation for evil: malignitatis opinionem vereri, Tac. Dial. 15: invidiae et ingrati animi, Liv. 45, 38, 6.—
B. A report, rumor: divulgatā opinione tam gloriosae expeditionis, Just. 42, 2, 11: quae opinio erat edita in vulgus, Caes. B. C. 3, 29, 3: exiit opinio, proximo lustro descensurum eum ad Olympia, Suet. Ner. 53: opinio etiam sine auctore exierat, eos conspirasse, etc., Liv. 3, 36, 9: opinionem serere, to spread a report, Just. 8, 3, 8: opiniones bellorum, Vulg. Matt. 24, 6; id. Marc. 13, 7.

Origins

Proto-Indo-European *-ōder. Proto-Indo-European *-Hōder.? Latin -ō Latin -iō Latin opīniō From opīnor (“suppose, conjecture, deem”) + -iō.

Descendants
  • Catalanopinió
  • Englishopinion
  • Frenchopinion
  • Italianopinione
  • Occitanopinion
  • Portugueseopinião
  • Romanianopinie
  • Spanishopinión
  • Galicianopinión
  • Piedmonteseopinion

In English words that came into English from opīniō

  • opinionopīniō

Quick answers

What does opīniō mean in Latin?
opīniō, a noun, means “opinion, conjecture, imagination, fancy, belief, expectation; reputation, esteem; report, rumor”.
What is the genitive of opīniō?
The genitive singular is opīniōnis. opīniō is feminine, third declension.
How do you pronounce opīniō?
In classical Latin, [ɔˈpiː.ni.oː]; in ecclesiastical (church) Latin, [oˈpiː.ni.o].