THESAURUS
detention
afterthought, apprehension, arrest, arrestation, arrestment, bind, block, blockage, blocking, bureaucratic delay, captivity, check, clogging, close arrest, closing up, closure, confinement, constriction, cramp, custody, deceleration, delay, delayage, delayed reaction, detainment, double take, drag, dragging, durance, durance vile, duress, ease-off, ease-up, fixation, flagging, foot-dragging, halt, hampering, hang-up, hindering, hindrance, holdback, holdup, house arrest, immuration, immurement, impediment, imprisonment, incarceration, inhibition, interference, interim, internment, interruption, jailing, jam, lag, lagging, let, letdown, letup, logjam, minus acceleration, moratorium, nab, negativism, nuisance value, obstruction, obstructionism, occlusion, opposition, paperasserie, pause, pickup, pinch, red tape, red-tapeism, red-tapery, repression, reprieve, resistance, respite, restraint, restriction, retardance, retardation, retardment, setback, slack-up, slackening, slow-up, slowdown, slowing, slowing down, slowness, slowup, squeeze, stay, stay of execution, stop, stoppage, stranglehold, stricture, suppression, suspension, term of imprisonment, tie-up, time lag, wait
ROGET THESAURUS
detention
Retention
N
retention, retaining, keep,
detention, custody, tenacity, firm hold, grasp, gripe, grip, iron grip, fangs, teeth, claws, talons, nail, unguis, hook, tentacle, tenaculum, bond, clutches, tongs, forceps, pincers, nippers, pliers, vice, paw, hand, finger, wrist, fist, neaf, neif, bird in hand, captive, retaining, retentive, tenacious, unforfeited, undeprived, undisposed, uncommunicated, incommunicable, inalienable, in mortmain, in strict settlement, uti possidetis.