Synonyms for Detain:

n.

anesthetize, bleed, anaesthetize, attend, bypass, cauterize, bandage, bring back, catheterize. intern, imprison, immure, jail, lock, incarcerate. detain (noun)
delay, stay, hold up, confine.
hold back (noun)
keep.

v.

change (verb)
stay, delay.
hinder (verb)
impair, hinder, stay, baffle, frustrate, bar, catch, check, thwart, inhibit, cramp, tangle, restrict, constrain, curb, fetter, crimp, plug, restrain, encumber, foul, jam, resist, impede, snarl, oppose, snag, hamper, paralyze, obstruct, clog, brake, mire, cripple, handicap, stop, bottleneck, complicate, deter, hamstring, entrap, choke, constipate, entangle, dam, interrupt, drag, burden, counter, bung, delay, block, congest.
hold, keep back; arrest (verb)
inhibit, mire, hang up, hold up, intern, impede, check, constrain, jail, confine, bust, delay, hinder, restrain.
restrain (verb)
bridle, constrict, bind, collar, leash, tether, confine, control, shackle.
social (verb)
confine.

Other synonyms:

jail. intern, set-back, sidetrack, immure. lag. lock. put off. stall. keep. bog down
hang up.
jail
incarcerate, imprison.

Usage examples for detain

  1. It was plain that she was anxious to detain them until she felt certain that the child had left the block and was out of sight. – Apron-Strings by Eleanor Gates
  2. I won't detain you- I can walk your way." – From Sand Hill to Pine by Bret Harte
  3. " How dare you detain me? – The Thin Red Line; and Blue Blood by Arthur Griffiths