adjective
undetectable
Undetectable (adjective) means Impossible to notice or find using available methods. Example: “The poison was almost undetectable in a standard blood test.”
adjective
1
Impossible to notice or find using available methods.
"The poison was almost undetectable in a standard blood test."
How to use undetectable
Learner’s notesIn plain EnglishSo well-hidden or small that it can't be found or noticed.
Common pairings
virtually undetectable
undetectable levels
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Word forms
- Comparative
- more undetectable
- Superlative
- most undetectable
Fill the gap
Can you complete this real example?
The poison was almost _____ in a standard blood test.
Etymology
From un- plus detectable.
Synonyms
View more →
insensible
indiscernible
Antonyms
Related words
Rhymes for undetectable
See all rhymes for undetectable →Frequently asked questions
What does “undetectable” mean?
The word “undetectable” means impossible to notice or find using available methods. In plain terms, so well-hidden or small that it can't be found or noticed.
How do you use “undetectable” in a sentence?
Here is “undetectable” used in a sentence: “The poison was almost undetectable in a standard blood test.”
What is the opposite of “undetectable”?
The opposite of “undetectable” — its antonyms — is detectable.
What part of speech is “undetectable”?
“Undetectable” is an adjective.
