undetectable

adjective

Definition of undetectablenext
as in imperceptible

Related Words

Relevance

Dissimilar Words

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of undetectable There are mineral and chemical options, sheer formulas that are undetectable on skin, and sprays for quick touch-ups. — Elizabeth Siegel, Allure, 2 Oct. 2026 The show only exists because McConaughey and Harrelson decided to make it, and whatever passion, knowledge, grit, and hustle was needed to turn a celebrity indulgence into scripted entertainment is undetectable in the final product. — Ben Travers, IndieWire, 23 Sep. 2026 Text that has been heavily rewritten, paraphrased, translated, or mixed with other writing may lose enough of Claude's statistical pattern to become undetectable. — New Atlas, 25 Aug. 2026 This subtle watermark, undetectable to human readers, alters word patterns and persists through minor edits, with a detection API forthcoming. — Christopher Rim, Forbes.com, 21 Aug. 2026 See All Example Sentences for undetectable
Recent Examples of Synonyms for undetectable
  1. imperceptible
  2. invisible
  3. indistinguishable
  4. inaudible
  5. intangible
Adjective
  • Instead, his team developed SynthID, an imperceptible, incorruptible digital watermark now stamped to anything generated by Google AI, but also OpenAI, Nvidia, Kakao, and, soon, Apple.
    — Daniel Varghese, Time, 15 Oct. 2026
  • Through a meditative duet between the performer’s cognition and their autonomic nervous system, activities that were largely imperceptible to an outside observer became known to the performer.
    — Sophie Landres, Artforum, 1 Oct. 2026
Definition of imperceptible
Adjective
  • The mostly invisible bits course through blood and pass from mother to child through the placenta and breast milk.
    — Michael Hawthorne, Chicago Tribune, 22 Oct. 2026
  • Why invisible warmth is catching on The cultural setup for this trend was already in place.
    — Hanna Wickes, Miami Herald, 22 Oct. 2026
Definition of invisible
Adjective
  • For this group, politics and art are so entwined as to be indistinguishable.
    — Stephanie Zacharek, Time, 16 Oct. 2026
  • But to my untrained eye, their onyx-coats are frustratingly indistinguishable from the volcanic terrain.
    — Jen Murphy, Condé Nast Traveler, 15 Oct. 2026
Definition of indistinguishable
Adjective
  • Compared to the roaring thunder of a modern data center, this cluster is nearly inaudible.
    — ArsTechnica, ArsTechnica, 9 Oct. 2026
  • Moments after McBride complained to Seeman about the play, sideline cameras showed Seeman mouthing inaudible words, appearing to be expletives, to McBride, who seemed surprised by Seeman’s conduct.
    — Angel Saunders, PEOPLE, 6 Oct. 2026
Definition of inaudible
Adjective
  • That social capital aspect is a crucial part of the business’s intangible capital and adds considerable value to the company.
    — Expert Panel®, Forbes.com, 15 Oct. 2026
  • This initiative’s impact would be both intangible and tangible.
    — John T. Shaw, Chicago Tribune, 14 Oct. 2026
Definition of intangible

Browse Nearby Words

undesired
undetectable
undetected
See all Nearby Words

Cite this Entry

“Undetectable.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/undetectable. Accessed 25 Oct. 2026.

Copy Citation
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Last Updated: - Updated example sentences

More from Merriam-Webster

Word of the Day

Listen to the pronunciation of emissary

See Definitions and Examples »

Popular in Grammar & Usage

See More

Merriam-Webster’s Great Big List of Words You Love to Hate

'Can' vs. 'May'

'Affect' vs. 'Effect'

More Commonly Mispronounced Words

Is it 'nerve-racking' or 'nerve-wracking'?
See More

Popular in Wordplay

See More

The Longest Long Words List

9 Words That Sound Like Insults But Aren't

The Words of the Week - Oct. 23

Even More Bird Names that Sound Like Insults (and Sometimes Are)

12 Lovely and Unusual Words for the Natural World
See More

Popular

See More

Merriam-Webster’s Great Big List of Words You Love to Hate

The Longest Long Words List

9 Words That Sound Like Insults But Aren't
See More

Games & Quizzes

See All
Play Quordle: Guess all four words in a limited number of tries. Each of your guesses must be a real 5-letter word.
Quordle Can you solve 4 words at once?
Play Blossom: Solve today's spelling word game by finding as many words as you can using just 7 letters. Longer words score more points.
Blossom Pick the best words!
Play Missing Letter: a crossword with a twist. Each of the 25 puzzle words start with a different letter of the alphabet. Which letter is missing?
The Missing Letter A daily crossword with a twist
different halloween monsters in silhouette
A Monstrous Vocab Quiz Words That Go Bump in the Night
See All