iniquus

Latin

From in- (“not”) +‎ aequus (“equal, even, fair”).

inīquus (feminine inīqua, neuter inīquum, comparative inīquior, superlative inīquissimus); first/second-declension adjective

unjust, unfair
- c. 52 BCE, Julius Caesar, Commentarii de Bello Gallico 1.44:
  Si iterum experiri velint, se iterum paratum esse decertare; si pace uti velint, iniquum esse de stipendio recusare, quod sua voluntate ad id tempus pependerint.
  If they chose to make a second trial, he was ready to encounter them again; but if they chose to enjoy peace, it was unfair to refuse the tribute, which of their own free-will they had paid up to that time.
unequal, uneven
Synonyms: dispār, inaequālis, impār

Antonyms: aequālis, pār, plānus, aequus
unfavourable, disadvantageous
unkind, hostile
Synonyms: hostīlis, inimīcus, oblīquus, īnfēnsus, adversus, āversus, dīversus, īnfestus

Antonyms: affābilis, amīcābilis, facilis, benevolēns
unsuitable

First/second-declension adjective
	masculine	feminine	neuter	masculine	feminine	neuter
	singular			plural
nominative	inīquus	inīqua	inīquum	inīquī	inīquae	inīqua
genitive	inīquī	inīquae	inīquī	inīquōrum	inīquārum	inīquōrum
dative	inīquō	inīquae	inīquō	inīquīs
accusative	inīquum	inīquam	inīquum	inīquōs	inīquās	inīqua
ablative	inīquō	inīquā	inīquō	inīquīs
vocative	inīque	inīqua	inīquum	inīquī	inīquae	inīqua

“iniquus”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
“iniquus”, in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
iniquus in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition with additions by D. P. Carpenterius, Adelungius and others, edited by Léopold Favre, 1883–1887)
iniquus in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette.
Carl Meißner, Henry William Auden (1894) Latin Phrase-Book‎^[1], London: Macmillan and Co.
- friend and foe: aequi iniqui
- in a favourable position: idoneo, aequo, suo (opp. iniquo) loco