
fitful
adj 1: occurring in spells and often abruptly; "fitful bursts of
energy"; "spasmodic rifle fire" [syn: {spasmodic}]
2: intermittently stopping and starting; "fitful (or
interrupted) sleep"; "off-and-on static" [syn: {interrupted},
{off-and-on(a)}]
Source: WordNet® 2.0