Synonyms for Delay:

adj.

slack (adjective)
lag.

n.

afloat, Booking office, bookable, aisle seat, board, bus, ARR, aboard, booking, book on. dally, trail, countdown, procrastinate, duration, dilly-dally, chapter, date, distance, fast, era, epoch, tarry, day. cooling-off period, intermission. potter, slow off the blocks/mark, go-slow, drag your feet/heels. sidetrack, prolong the agony, keep someone waiting. act (noun)
holdup.
avoidance (noun)
evasion.
deferment, interruption (noun)
hindrance, jam, obstruction, retardation, adjournment, stay, impediment, remission, reprieve, stoppage, stop, moratorium, wait, surcease, lag, postponement, setback, cooling-off period, stall, interval, check, discontinuation, suspension.
delay (noun)
hold, hold up, check, postponement, holdup, wait, time lag.
disappointment (noun)
setback.
hindrance (noun)
complication, restriction, congestion, impediment, entrapment, drawback, frustration, entanglement, bafflement, hindrance, disadvantage, constraint, damper, obstacle, encumbrance, blockade, impasse, deterrent, opposition, inhibition, barrier, restraint, setback, blockage, stoppage, obstruction, interruption, impedance, constipation, hurdle, resistance.
interruption (noun)
hitch, interlude, hiatus, postponement, interval, suspension, relief.
postponement (noun)
discontinuation, lag, remission, setback, retardation, respite, surcease, adjournment, moratorium.
stop (noun)
standstill.
time (noun)
postponement, wait, hold, time lag.

v.

cause stop in action (verb)
choke, temporize, encumber, suspend, table, clog, procrastinate, detain, defer, impede, dilly-dally, drag, hold, restrict, adjourn, dawdle, deter, inhibit, shelve, obstruct, tarry, linger, block, put off, hamper, loiter, curb, bar, postpone.
change (verb)
hold up, detain.
hesitate (verb)
falter, balk, pause, hesitate, halt, shrink, wait, recoil.
hinder (verb)
burden, block, thwart, tangle, foul, resist, dam, congest, crimp, detain, impede, cramp, obstruct, hinder, complicate, entangle, oppose, counter, baffle, choke, encumber, brake, fetter, frustrate, cripple, paralyze, bar, check, impair, snag, hamstring, constipate, constrain, bung, entrap, restrain, curb, hamper, inhibit, catch, stop, drag, snarl, deter, restrict, stay, mire, jam, interrupt, plug, handicap, clog, bottleneck.
interrupt (verb)
postpone, relieve, break, reprieve, suspend, recess.
slow (verb)
creep, dawdle, loiter, slow, poke, plod, trudge, crawl, linger.
stop (verb)
standstill.

Other synonyms:

duration, potter, evasion, sit on, epoch, intermission, retardation, dilly-dally, inaction, wait around. day, hang up, failure, era, waive. dally, chapter. distance, date. remit. time. adjourn
put off.
bog down
hang up.
deferment
surcease.
delay
adjournment.
evasion
avoidance.
hedge
temporize.
postpone
put off.
reprieve
respite.
surcease
surcease.
table
table.

Usage examples for delay

  1. I knew what to do, and resolved to have my case taken in hand without delay – The Memoires of Casanova, Complete The Rare Unabridged London Edition Of 1894, plus An Unpublished Chapter of History, By Arthur Symons by Jacques Casanova de Seingalt
  2. What is our cause for delay – The Seven Plays in English Verse by Sophocles
  3. Here was an unexpected delay – Put Yourself in His Place by Charles Reade