What context can I use each word in?
Learn when and how to use these words with these examples!
undetected
Example
The virus went undetected for weeks before anyone realized it was spreading. [undetected: adjective]
Example
The spy remained undetected while gathering information. [undetected: adverb]
unnoticed
Example
Her arrival at the party went unnoticed by most of the guests. [unnoticed: adjective]
Example
The mistake in the report went unnoticed until it was too late. [unnoticed: adverb]
Good things to know
Which word is more common?
Unnoticed is more commonly used than undetected in everyday language. Unnoticed is versatile and covers a wide range of contexts, while undetected is less common and is typically used in technical or scientific contexts.
What’s the difference in the tone of formality between undetected and unnoticed?
Undetected is typically associated with a formal or technical tone, while unnoticed is more versatile and can be employed in both formal and informal contexts.