Proper antonyms | adjectives

Antonyms for Proper as a Adjective

• improper

  correct, individual
• inappropriate

  correct, suitable
• unseemly

  polite, suitable
• wrong

  correct
• unsuitable

  correct, individual
• incorrect

  individual, suitable
• inaccurate

  mannerly, conventional
• false

  conventional, incorrect
• unfitting

  suitable
• inexact

  mannerly, conventional
• unconventional

  correct, individual
• indecent

  polite
• unbecoming

  polite
• unacceptable

  individual, suitable
• crude

  polite, mannerly
• indecorous
• indelicate
• unfit
• objectionable

  mannerly, conventional
• general

  mannerly, conventional
• dishonest
• impolite

  polite
• discourteous
• informal
• untrue
• inapplicable
• inapt
• incongruous
• infelicitous
• unsuited
• crass
• substandard
• misbehaving
• imprecise
• bad
• corrupt
• questionable
• careless
• rude
• banned
• barred
• forbidden
• outlawed
• prohibited
• faulty
• unmannerly
• inept
• inadequate
• incompatible
• off