A weak, giddy woman of no stability of character, her success turned her head and caused her to behave with insolence and impropriety, in strong contrast with Catherine's quiet dignity under her misfortunes.
The same epithet is sometimes  coupled with the term relation, in which case the impropriety is still more glaring.
Any country that bans psyching of either conventional or weak bids will hate this, but I can see no impropriety.
In such a climate, criticism of the system, even on grounds of financial impropriety, is frowned on.
Understandably he told Counsel that he suspected impropriety, and asked that the application to discharge the juror should be made.