To go 'down the rabbit hole' means to experience an endless journey of learning, research or information. This video explains the meaning and use of the idiom 'down the rabbit hole' in English. We explain how to use it with some easy examples to help you learn this idiom so you can use it in Spoken and Business English.
This idiom is a reference to the novel 'Alice in Wonderland' and refers to a process or journey that becomes more unpredictable, unexpected and strange as you continue. In the story, Alice literally falls down the hole of the White Rabbit, taking her to Wonderland. You might use this to explain that you are going on a journey into the unknown, or that you expect problems or strange things to happen. This idiom is common in both social and professional situations.
Additional Examples:
The group of friends fell down the rabbit hole when they began talking about conspiracy theories.
I have never had a client in Japan before. This will be a journey down the rabbit hole for me.