Meaning of the word "rabbit hole" in English

What does "rabbit hole" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

rabbit hole

US /ˈræb.ɪt ˌhoʊl/
UK /ˈræb.ɪt ˌhoʊl/
"rabbit hole" picture

Noun

1.

a burrow dug by rabbits as a dwelling

Example:
The dog sniffed around the rabbit hole, hoping to find its occupant.
We saw a tiny rabbit hole at the base of the old oak tree.
2.

a metaphor for a bizarre, confusing, or difficult situation or process that is hard to escape from, often leading to further complications or unexpected discoveries

Example:
I fell down a rabbit hole of conspiracy theories online.
Researching my family history led me down a fascinating rabbit hole.
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