Proper

//ˈpɹɔp.ə//

Usage: "Proper" means correct according to rules or convention, or belonging distinctively to something (the city proper). In British English, "proper" is also an informal intensifier: "a proper mess." In grammar, "proper nouns" are capitalized names.

Antonyms for "proper" (83 found)

acceptable misuse rude

Adjective(80 words)

aberrant anarchistic attenuated bad blasphemous corrupt corrupted depraved dirty-handed discommensurate dissolute effete errant exorbitant foppish general haram heretical heterodox idiosyncratic

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ill-mannered immodest immoral impolite improper imprudent inappropriate inapt incommensurate incomplete incongruitous incontinent incorrect indecent indecorous inept iniquitous iniquous inopportune inorthodox insensible irregular licentious nonconformist nonorthodox obscene odd offbeat out of line out of order out of place partial perverse perverted profligate sinful slapdash strange superficial treyf unapt unconventional unduteous undutiful unethical unexpected unfit ungodly unhappy unjust unkosher unorthodox unprincipled unrighteous unscrupulous unseemly unsuitable unusual unworthy wrong

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.

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