Synonyms for Discontinuous:

adj.

broken; intermittent (adjective)
disconnected, fitful, incoherent, irregular, disjointed.
incoherent (adjective)
disconnected, broken, nonadhesive, nonuniform, dispersed, sporadic, lax, disjointed, divergent, fuzzy, detached, loose, incoherent, unconsolidated, inconsistent, non-cohesive, disarticulated, noncontiguous.
incomplete (adjective)
incomplete, unfulfilled, immature, insufficient, segmental, undone, partial, short, embryonic, missing, unsatisfactory, unattained, unfinished, deficient, unachieved, Curtailed, fragmentary, patchy, scanty, lacking, Unaccomplished, fractional, sectional.
irregular (adjective)
fragmentary, nonuniform, irregular.
loose (adjective)
slack, flaccid, incoherent, inconsistent, unfastened, lax, disconnected, unattached, non-adherent, non-coherent, limp, disjointed, broken, loose, detached, disarticulated, nonadhesive, non-cohesive.
unintelligible (adjective)
incoherent.

n.

bursty, stop-start, by/in fits and starts, on-off, on-again, off-again, uneven, fitful. discontinuous (noun)
disjunct, noncontinuous, disrupted.
spasmodic (noun)
irregular, intermittent.

Other synonyms:

irregular, stop-start, on-again, off-again. on-off, bursty. uneven. periodic
intermittent.

Usage examples for discontinuous

  1. The continuous motion of an angel is necessary through every medium, but may be discontinuous without a medium. – Curiosities of Literature, Vol. 1 (of 3) by Isaac D'Israeli
  2. When strata are discontinuous as between Europe and America, no evidence can be derived from the order of superposition, apart from mineral characters and organic remains; for, unless strata can be continuously traced, mineral characters and organic remains afford the only means of classing them as such or such. – Essays: Scientific, Political, & Speculative, Vol. I by Herbert Spencer
  3. In shales and clays, which are commonly the impervious " cap- rocks," porosity may be equally high, but the pores are too small and discontinuous to permit movement. – The Economic Aspect of Geology by C. K. Leith