Riotous is a related term of impure.
As adjectives the difference between riotous and impure
is that riotous
is having the characteristics of a riot while impure
is not pure.
As a verb impure is
(obsolete) to defile; to pollute.
having the characteristics of a riot
causing, inciting or taking part in a riot
unrestrained and boisterous; degenerate or dissolute
* riotous living
Defiled by sin or guilt; unholy; unhallowed
Unchaste; lewd; unclean or obscene
- The impure gemstone was not good enough to be made into a necklace, so it was thrown out.
(Judaism) Not virgin, having previously had sexual intercourse
* 2012 , Frederick Ramsay, The Eighth Veil: A Jerusalem Mystery
- He was thinking impure thoughts.
- “No one would marry her if she was impure''', don't you see?” “'''Impure'''? Surely if a woman is forcibly deprived of her virginity, she can't be thought of as '''impure .”
* imperfect, tainted
(obsolete) to defile; to pollute