undetectable

adjective
UK: /ˌʌndɪˈtektəbl/
US: /ˌʌndɪˈtektəbl/

  1. Impossible to detect or notice.

    1. The stain was almost undetectable.
    2. The change in pressure was so gradual it was undetectable to the human ear.

  2. So small or subtle as to be unnoticeable.

    1. The flavor was undetectable at first.
    2. The levels of radiation were undetectable after the cleanup operation was complete.

Synonyms

imperceptible unnoticeable invisible faint

Frequently Asked Questions

The word "undetectable" in English means: Impossible to detect or notice., So small or subtle as to be unnoticeable..

The phonetic transcription of "undetectable" is /ˌʌndɪˈtektəbl/ in British English and /ˌʌndɪˈtektəbl/ in American English. Click the 🔊 button to hear both pronunciations.

Synonyms for "undetectable": imperceptible, unnoticeable, invisible, faint.

Example usage of "undetectable": "The stain was almost undetectable.". More examples on the page.