A lush is a nicer way of saying someone enjoys drinking. A drunk is a more derogatory term and usually leads me to believe the person is an alcoholic or sloppy. read more
As nouns the difference between drunk and lush is that drunk is a habitual drinker, especially one who is frequently intoxicated while lush is (pejorative) drunkard, sot, alcoholic. As verbs the difference between drunk and lush is that drunk is while lush is to drink liquor to excess. read more