i Register
In some senses, detain is marked as archaic. Watch for register when choosing this word.
ADV
briefly
The police briefly detained the suspect for questioning before releasing him.
VERB + DETAIN
need not
The delay at the airport didn't need to detain us from reaching the concert on time.
PREP
for
The police detained him for questioning about the missing laptop.
in connection with
The suspect was detained in connection with the bank robbery last month.
PHRASES
be detained in custody/hospital
The suspect was detained in custody while the police completed their investigation.
detain sb without charge/trial
The protesters were detained without charge for several hours before being released.