detect

verb

de·​tect di-ˈtekt How to pronounce detect (audio)
dē-
detected; detecting; detects

transitive verb

1
: to discover the true character of
detecting drug smugglers
2
: to discover or determine the existence, presence, or fact of
detect alcohol in the blood
Do I detect a note of sarcasm in your voice?
3

intransitive verb

: to work as a detective
detectability noun
detectable adjective

Examples of detect in a Sentence

The test is used to detect the presence of alcohol in the blood. This type of cancer is difficult to detect in its early stages.
Recent Examples on the Web
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.
Better to nip the intrusion in the bud by detecting the first signs of trouble. PCMAG, 7 Mar. 2025 Kaspersky further advised, in all but the last case, existing endpoint protection platforms are capable of detecting, mitigating, and removing infostealer malware that can lead to credit card data ending up on the dark web. Davey Winder, Forbes, 7 Mar. 2025 Meanwhile, the Taiwanese Defense Ministry reported that a total of 11 Chinese balloons were detected flying over the island and the in the 24 hours to 6 a.m. on Friday. 5 sorties of PLA aircraft and 6 PLAN vessels operating around Taiwan were detected up until 6 a.m. (UTC+8) today. Ryan Chan, Newsweek, 7 Mar. 2025 Power grabs, when made by those who already have power, can be difficult to detect. Megan Garber, The Atlantic, 6 Mar. 2025 See All Example Sentences for detect

Word History

Etymology

Middle English, from Latin detectus, past participle of detegere to uncover, detect, from de- + tegere to cover — more at thatch

First Known Use

1574, in the meaning defined at transitive sense 1

Time Traveler
The first known use of detect was in 1574

Browse Nearby Words

Cite this Entry

“Detect.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/detect. Accessed 10 Mar. 2025.

Kids Definition

detect

verb
de·​tect di-ˈtekt How to pronounce detect (audio)
: to discover the nature, existence, presence, or fact of
detect the approach of an airplane
detectable adjective
detection
-ˈtek-shən
noun

More from Merriam-Webster on detect

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