hangover noun definition in Addiction topic from the Oxford Advanced Learner's Dictionary

hangover

 noun: Addiction topic
1 the headache and sick feeling that you have the day after drinking too much alcohol She woke up with a terrible hangover.2 [usually singular] hangover (from something) a feeling, custom, idea, etc. that remains from the past, although it is no longer practical or suitable the insecure feeling that was a hangover from her childhood hangover laws from the previous administration