ずっと

About

ずっと is an adverb that indicates an action is done over an extended period of time. It can be translated as "forever", "for a long time", or "for X period of time".

ずっと is often confused with いつも ("always"), but いつも indicates that an action "always" happens (i.e. indicates frequency), while ずっと indicates that an action happens over a given period of time. There are many situations where these adverbs are interchangeable.

Summary

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  ずっと is an adverb

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  ずっと means "forever/for a long time/for X period of time"