Synonyms and related words :
PS, Parthian shot, addendum, afterthought, appendix, back matter, bind, block, blockage, bureaucratic delay, chorus, coda, codicil, colophon, conclusion, consequence, continuance, continuation, delay, delayage, delayed reaction, detention, dragging, dying words, envoi, epilogue, follow-through, follow-up, halt, hang-up, hindrance, holdup, interim, jam, lag, lagging, last words, logjam, moratorium, obstruction, paperasserie, parting shot, pause, peroration, postface, postfix, postlude, postscript, red tape, red-tapeism, red-tapery, refrain, reprieve, respite, retardance, retardation, second thought, sequel, sequela, sequelae, sequelant, sequent, sequitur, slow-up, slowdown, slowness, stay, stay of execution, stop, stoppage, subscript, suffix, supplement, suspension, swan song, tag, tie-up, time lag, wait