WordNet (r) 3.0 (2006):

drag out
    v 1: last unnecessarily long [syn: drag on, drag out]
    2: proceed for an extended period of time; "The speech dragged
       on for two hours" [syn: drag, drag on, drag out]

Moby Thesaurus II by Grady Ward, 1.0:

125 Moby Thesaurus words for "drag out":
   adjourn, amble, arouse, bring forth, bring out, bring to light,
   call forth, call out, call up, chatter, claudicate, continue,
   crawl, creep, dawdle, deduce, defer, delay, derive, dogtrot, drag,
   drag along, draw, draw forth, draw out, dwell on, educe, elicit,
   elongate, evoke, extend, fill out, get from, get out of,
   go dead slow, go slow, hang fire, hang up, hobble, hold off,
   hold over, hold up, idle, inch, inch along, induce, jog-trot,
   lay aside, lay by, lay over, laze, lengthen, lengthen out, let out,
   limp, linger on, mosey, never finish, obtain, pad, perorate,
   pigeonhole, poke, poke along, postpone, procrastinate, procure,
   produce, prolong, prolongate, prorogate, prorogue, protract, pull,
   push aside, put aside, put off, put on ice, recess, reserve, rouse,
   run out, saunter, secure, set aside, set by, shelve, shift off,
   shuffle along, sleep on, speak at length, spin out, stagger along,
   stand over, stave off, stay, stimulate, strain, stretch,
   stretch out, string out, stroll, summon forth, summon up, suspend,
   table, take a recess, tauten, temporize, tense, tighten, toddle,
   toddle along, totter along, traipse, waddle, waive, walk, wangle,
   wangle out of, winkle out, worm, worm along, worm out,
   worm out of