Antonyms of adj legal

3 of 5 senses of legal

Sense 1
legal (vs. illegal) -- (established by or founded upon law or official or accepted rules)

illegal (vs. legal) -- (prohibited by law or by official or accepted rules; "an illegal chess move")
        => amerciable -- (of a crime or misdemeanor; punishable by a fine set by a judge)
        => banned, prohibited -- (forbidden by law)
        => bootleg, black, black-market, contraband, smuggled -- (distributed or sold illicitly; "the black economy pays no taxes")
        => criminal, felonious -- (involving or being or having the nature of a crime; "a criminal offense"; "criminal abuse"; "felonious intent")
        => dirty, ill-gotten -- (obtained illegally or by improper means; "dirty money"; "ill-gotten gains")
        => embezzled, misappropriated -- (taken for your own use in violation of a trust; "the banker absconded with embezzled funds")
        => extrajudicial -- (beyond the usual course of legal proceedings; legally unwarranted; "an extrajudicial penalty")
        => extralegal, nonlegal -- (not regulated or sanctioned by law; "there were only extralegal recourses for their grievances")
        => hot -- (recently stolen or smuggled; "hot merchandise"; "a hot car")
        => illegitimate, illicit, outlaw (prenominal), outlawed, unlawful -- (contrary to or forbidden by law; "an illegitimate seizure of power"; "illicit trade"; "an outlaw strike"; "unlawful measures")
        => ineligible -- (prohibited by official rules; "an ineligible pass receiver")
        => misbranded, mislabeled -- (branded or labeled falsely and in violation of statutory requirements; "confiscated the misbranded drugs")
        => penal, punishable -- (subject to punishment by law; "a penal offense")
        => under-the-counter -- (done or sold illicitly and secretly;)
        => unratified -- (lacking legal authority; "the unratified Equal Right Amendment")

Sense 3
legal, sound, effectual -- (having legal efficacy or force; "a sound title to the property")

INDIRECT (VIA valid) -> invalid -- (having no cogency or legal force; "invalid reasoning"; "an invalid driver's license")

Sense 5
legal -- (allowed by official rules; "a legal pass receiver")

INDIRECT (VIA eligible) -> ineligible -- (not eligible; "ineligible to vote"; "ineligible for retirement benefits")

Similarity of adj legal

5 senses of legal

Sense 1
legal (vs. illegal) -- (established by or founded upon law or official or accepted rules)
       => court-ordered -- (ordered by a court of law)
       => judicial -- (decreed by or proceeding from a court of justice; "a judicial decision")
       => jural, juristic -- (of or relating to law or to legal rights and obligations)
       => lawful, legitimate, licit -- (authorized, sanctioned by, or in accordance with law; "a legitimate government")
       => ratified, sanctioned -- (formally approved and invested with legal authority)
       => statutory -- (prescribed or authorized by or punishable under a statute; "statutory restrictions"; "a statutory age limit"; "statutory crimes"; "statutory rape")
       => sub judice -- (before a judge or court of law; awaiting judicial determination)
          Also See-> lawful#1; legitimate#1

Sense 2
legal -- (of or relating to jurisprudence; "legal loophole")

Sense 3
legal, sound, effectual -- (having legal efficacy or force; "a sound title to the property")
       => valid (vs. invalid) -- (well grounded in logic or truth or having legal force; "a valid inference"; "a valid argument"; "a valid contract")

Sense 4
legal -- (relating to or characteristic of the profession of law; "the legal profession")

Sense 5
legal -- (allowed by official rules; "a legal pass receiver")
       => eligible (vs. ineligible) -- (qualified for or allowed or worthy of being chosen; "eligible to run for office"; "eligible for retirement benefits"; "an eligible bachelor")