CEFR B2

undetectable

adjective

Meaning

Impossible to find or notice.

Examples

The virus was undetectable in his blood tests.
Her presence in the room was undetectable.

Synonyms: hidden, unseen, imperceptible, invisible

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undetectable (B2)

adjective

Pronunciation: /ˌʌndɪˈtɛktəbl/

Definition

Impossible to find or notice.

Examples

The virus was undetectable in his blood tests.
Her presence in the room was undetectable.
The changes to the document were subtle and virtually undetectable.

How to Use undetectable

undetectable by (prepositional phrase): Impossible to find or notice using a specific method or tool. — "The submarine remained undetectable by enemy sonar."
undetectable to (prepositional phrase): Impossible to find or notice for a particular observer or system. — "The subtle changes were undetectable to the untrained eye."

Synonyms of undetectable

Words with a similar meaning to undetectable:

Antonyms of undetectable

Words with the opposite meaning to undetectable:

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