the bug
noun
informal
: a sudden, strong interest in a particular activity
He first caught the acting bug when he was 18.
the travel bug
Cite this Entry
“The bug.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/the%20bug. Accessed 30 Oct. 2025.
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Merriam-Webster unabridged
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