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Synonyms

detect

American  
[dih-tekt] / dɪˈtɛkt /

verb (used with object)

  1. to discover or catch (a person) in the performance of some act.

    to detect someone cheating.

  2. to discover the existence of.

    to detect the odor of gas.

  3. to find out the true character or activity of.

    to detect a spy.

  4. Telecommunications.

    1. to rectify alternating signal currents in a radio receiver.

    2. to demodulate.


detect British  
/ dɪˈtɛkt /

verb

  1. to perceive or notice

    to detect a note of sarcasm

  2. to discover the existence or presence of (esp something likely to elude observation)

    to detect alcohol in the blood

  3. to extract information from (an electromagnetic wave)

  4. obsolete to reveal or expose (a crime, criminal, etc)

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Usage

What are other ways to say detect?

To detect is to discover something hidden or unknown. When should you use detect over learn, discover, or ascertain? Find out on Thesaurus.com. 

Other Word Forms

  • detectability noun
  • detectable adjective
  • detecter noun
  • detectibility noun
  • detectible adjective
  • predetect verb (used with object)
  • undetectable adjective
  • undetectably adverb
  • undetected adjective
  • undetectible adjective

Etymology

Origin of detect

First recorded in 1400–50; late Middle English, from Latin dētēctus “discovered,” past participle of dētegere “to uncover, discover,” from dē- de- + tegere “to cover”; thatch

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The provincial livestock office in Chiang Mai said in a statement on Friday that testing detected the highly infectious canine distemper virus as well as bacteria affecting the respiratory system.

From Barron's

The results also strengthen the case for using the retina as a noninvasive tool to help detect and monitor Alzheimer's disease.

From Science Daily

His account on TikTok was banned for sharing content that was detected as graphic or inappropriate, he says.

From BBC

The vision is to detect up to 50 types of cancer before the person has any symptoms.

From BBC

Although it was only detected in two places and at levels "not considered sufficient to pose a significant radiation hazard", the report said further investigation "would be warranted" if the use of the land changed.

From BBC