adj · 2 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
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CMU ARPABET:AH2 N K AA2 N S T AH0 T UW1 SH AH0 N AH0 L
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
adj
Meaning 1
Contrary to or violative of the constitution of a state or other sovereign institution.
Definition source: English Wiktionary via Wiktextract
Examples
That recently passed political bill has been declared unconstitutional.
Meaning relationships
Synonyms: anticonstitutional
Antonyms: constitutional
2
adjective
Meaning 2
not consistent with or according to a constitution; contrary to the U.S. Constitution
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: constitutional
History
Etymology
Etymology tree Proto-Indo-European *né Proto-Indo-European *n̥- Proto-Germanic *un- Proto-West Germanic *un- Old English un- Middle English un- English un- English constitutional English unconstitutional From un- + constitutional.
Across languages
Translations
38 source translations are retained for this English entry.
Arabic:
غَيْرُ دُسْتُورِيّ
(ḡayru dustūriyy)
— contrary to the constitution
Bulgarian:
противоконституцио́нен
(protivokonstituciónen)
— contrary to the constitution
Catalan:
inconstitucional
— contrary to the constitution
Chinese Mandarin:
違憲 /违宪
(wéixiàn)
— contrary to the constitution
Czech:
protiústavní
— contrary to the constitution
Czech:
neústavní
— contrary to the constitution
Danish:
grundlovsstridig
— contrary to the constitution
Danish:
i strid med grundloven
— contrary to the constitution
Danish:
forfatningsstridig
— contrary to the constitution
Dutch:
ongrondwettelijk
— contrary to the constitution
Dutch:
ongrondwettig
— contrary to the constitution
Finnish:
perustuslain vastainen
— contrary to the constitution
French:
inconstitutionnel
— contrary to the constitution
French:
anticonstitutionnel
— contrary to the constitution
Galician:
inconstitucional
— contrary to the constitution
Georgian:
არაკონსტიტუციური
(araḳonsṭiṭuciuri)
— contrary to the constitution
German:
verfassungswidrig
— contrary to the constitution
Hindi:
असंवैधानिक
(asamvaidhānik)
— contrary to the constitution
Hungarian:
alkotmányellenes
— contrary to the constitution
Indonesian:
inkonstitusional
— contrary to the constitution
Irish:
míbhunreachtúil
— contrary to the constitution
Italian:
incostituzionale
— contrary to the constitution
Japanese:
違憲
(iken)
— contrary to the constitution
Kazakh:
конституциялық емес
(konstitusiälyq emes)
— contrary to the constitution
Macedonian:
противу́ставен
(protivústaven)
— contrary to the constitution
Macedonian:
неу́ставен
(neústaven)
— contrary to the constitution
Polish:
niekonstytucyjny
— contrary to the constitution
Polish:
antykonstytucyjny
— contrary to the constitution
Portuguese:
inconstitucional
— contrary to the constitution
Portuguese:
anticonstitucional
— contrary to the constitution
Russian:
неконституцио́нный
(nekonstituciónnyj)
— contrary to the constitution
Serbo-Croatian:
не̏уста̄ван
— contrary to the constitution
Serbo-Croatian:
nȅustāvan
— contrary to the constitution
Spanish:
inconstitucional
— contrary to the constitution
Spanish:
anticonstitucional
— contrary to the constitution
Swedish:
grundlagsvidrig
— contrary to the constitution
Swedish:
okonstitutionell
— contrary to the constitution
Vietnamese:
vi hiến
— contrary to the constitution
