improper

Meanings

Adjective

• not suitable or right or appropriate
  • "slightly improper to dine alone with a married man"
  • "improper medication"
  • "improper attire for the golf course"

Adjective Satellite

• not conforming to legality, moral law, or social convention
  • "improper banking practices"
• not appropriate for a purpose or occasion

Synonyms

unconventional, unlawful, wrong

Antonyms

proper