i Register
In some senses, detect is marked as obsolete, informal. Watch for register when choosing this word.
ADV
early, late
The security system detected the intruder late at night, but fortunately the police arrived quickly.
quickly
easily, readily
The new security system can easily detect unusual movement in the building at night.
accurately
VERB + DETECT
be able to, be sensitive enough to, can
Modern smoke detectors can detect even small amounts of smoke in a room within seconds.
be unable to | be designed to
fail to
The security cameras failed to detect the burglar who entered through the basement window.
be difficult to, be hard to, be impossible to | be easy to, be possible to | be used to
PHRASES
be capable of detecting sth, a means/method/way of detecting sth