undetectable
Undetectable (adjective) means Impossible to notice or find using available methods. Example: “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.
Word forms
more undetectable comparative, most undetectable superlative
Fill the gap
Can you complete this real example?
The poison was almost _____ in a standard blood test.
Etymology
From un- plus detectable.
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.