Synonyms of slowdown

1 Syllable
drop, slack
2 Syllables
freeze, arrest, strike, delay, drop-off, downtrend, falloff, slow-up, sickout, downturn, setback
3 Syllables
stagnation, decrement, slackening, decline, stoppage
4 Syllables
retardation
5 Syllables
deceleration, inactivity