Bug vs You wearing a wire

When to use each in English, with meaning, register, and examples.

Bug

Top 1,000 (very common)B2noun

You wearing a wire

InformalBeyond 10,000 (less common)
Most formal: BugMost common: Bug
 BugYou wearing a wire
Pronunciation🇬🇧 /["/bʌɡ/"]/🇺🇸 /["/bʌɡ/"]/🇬🇧 //jʊ ˈwɛrɪŋ ə waɪə//🇺🇸 //ju ˈwɛrɪŋ ə waɪr//
MeaningA small insect or mistake in a program.You have a hidden microphone.
ExampleThere's a bug crawling up your arm.I can't believe you are wearing a wire during our meeting!
RegisterNeutralInformal
How commonTop 1,000 (very common)Beyond 10,000 (less common)
CEFR levelB2-
Part of speechnoun
Collocationsnasty, flu, stomach, have, catch, come down with, go around, go round, strike somebody down, with a/​the bug, be bitten by, catch, get, bite (somebody), minor, annoying, computer, discover, find, fix, bug inhidden device, secretly recording, detective investigation
Antonymsfeature, blessing-
Common mistakesConfused with 'bugged' as a past verb., Omitting 'a' when referring to an insect (e.g., saying 'I saw bug')., Using 'bug' in a formal report instead of more technical terms.Misunderstood as asking about clothing instead of a hidden device., Confused with 'are you wearing a wire?' as it's usually a rhetorical question.
Usage notesUse 'bug' for insects in everyday conversation. In tech, 'bug' refers to errors in software. Avoid using in very formal contexts.Commonly used in casual conversations, particularly in crime-related contexts. Not appropriate in formal settings.

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You wearing a wire

Frequently asked questions: Bug vs You wearing a wire

What's the difference between Bug and You wearing a wire?

Bug: A small insect or mistake in a program. You wearing a wire: You have a hidden microphone.

Which is more formal: Bug and You wearing a wire?

Bug is the most formal of these.

Which is more common: Bug and You wearing a wire?

Bug is the most common in everyday English.

Can you show an example of each?

Bug: There's a bug crawling up your arm. You wearing a wire: I can't believe you are wearing a wire during our meeting!

Can I use Bug and You wearing a wire interchangeably?

Not always. Bug and You wearing a wire are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.

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