gateway drug
Noun
Meaning
a habit-forming drug that is not addictive but its use may lead to the use of other addictive drugs
Source: WordNetSynonyms
Hypernyms
Examples
one college athlete recently called beer a gateway drug for young people
Noun
a habit-forming drug that is not addictive but its use may lead to the use of other addictive drugs
Source: WordNetone college athlete recently called beer a gateway drug for young people