improper

adj 1: not suitable or right or appropriate; "slightly improper to

dine alone with a married man"; "improper medication"

[ant: {proper}]

2: not conforming to legality, moral law, or social convention;

"an irregular marriage"; "improper banking practices"

[syn: {unconventional}, {unlawful}]

3: not appropriate for a purpose or occasion; "unsuitable

attire for the office"; "said all the wrong things" [syn:

{unsuitable}, {wrong}]