Meaning & use
detected
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“detected” is a form of “detect”. See that entry for the full set of meanings.
Meanings
verbtransitive
Noticed or found something that was hidden, faint or hard to see, often with the help of an instrument.
Grammar: Past tense and past participle; always takes an object: the scanner detected a leak.
Patterns
- detected something in something
- something was detected by something
The sensors detected smoke in the hallway.
Doctors detected a small tumor during the routine scan.
She detected a hint of sadness in his voice.
verbtransitive
Worked out or discovered that something wrong or hidden, such as a crime or error, was happening.
Grammar: Takes an object and often appears in passive form: the fraud was detected early.
Patterns
- detected that something
- the fraud was detected
The accountant detected an error in the quarterly report.
Customs officers detected the smuggled goods inside a crate.
Software detected unusual activity on his account.
Common combinations
- first detected
- The virus was first detected in a small town.
- detected early
- The disease was detected early, so treatment worked well.
- go undetected
- The leak went undetected for months.
- detected by radar
- The aircraft was detected by radar far from the coast.
- detected traces of
- Tests detected traces of lead in the water.
Synonyms and how they differ
- discovered
- Discovered stresses finding something that was previously unknown, while detected often means sensing something hidden or slight.
- noticed
- Noticed is casual and needs no instruments, while detected suggests more effort or technology.
- spotted
- Spotted is informal and suggests seeing something quickly with your eyes.
- identified
- Identified means saying exactly what something is, which goes a step further than just sensing its presence.
Opposites
Word family
- detect verb
- to notice or find something hidden
- detection noun
- the act of finding something hidden
- detector noun
- a device that senses something
- detectable adjective
- able to be noticed or measured
- undetected adjective
- not noticed
Commonly confused: detected or detected?
detected vs detected
Do not mix it up with detective, a person who investigates crimes. A detective may detect clues, but detected is only the past form of detect.
Practice
The airport scanner ____ a small metal object hidden in the lining of the bag.
Choose one answer.
Detected means noticed something hidden. Detested (hated), deducted (subtracted) and deleted (erased) are similar in sound but do not fit.
Make it your own
Write a sentence using “detected”, then check it and compare it with the examples above.