gateway drug

== English == === Pronunciation === === Noun === gateway drug (plural gateway drugs) (idiomatic) A typically legal or less harmful substance, such as marijuana, whose use is statistically associated with an increased likelihood of progressing to a more dangerous or illicit drug. (by extension, figurative) Any thing or area of interest that tends to lead to a deeper involvement. ==== Translations ==== === Further reading === gateway drug effect on Wikipedia.Wikipedia