Synonyms of retardation

1 Syllable
stall, jam, stay, stop, loss, check, bind, lag, wait
2 Syllables
hold-up, logjam, hangup, dawdling, tie-up, losses, holdup, delay, holding, tarrying, drop-off, slowdown, slowdowns, problem, setback
3 Syllables
retardment, surcease, detention, detainment, adjournment, showstopper, lingering, loitering, remission, obstruction, demurral, lateness, downtime, suspension, cunctation, interval, stoppage, hindrance, reprieve, backwardness
4 Syllables
impediment, impedance, prorogation, moratorium, filibuster, postponement, resistance, imperviousness, misplacement
5 Syllables
interference, interposition, procrastination, deceleration, discontinuation
7 Syllables
insusceptibility