1. not in good condition/the best state, has some defects/flaws, not (looking) as good as it could be (/look)
he's a bit/little worse for wear after drinking/being sick
Something which is 'worse for wear' is in a bad condition due to overuse or worn from being used often over time. With objects 'worse for wear' usually means something is no longer in good condition. A person who is worse for wear has probably been through a difficult experience, is very sick or has been drinking a large amount of alcohol the night before.