fitful

英 ['fɪtfʊl; -f(ə)l] 美['fɪtfəl]

• adj. 一阵阵的；断断续续的；不规则的；间歇的

1. occurring in spells and often abruptly;

"fitful bursts of energy"

"spasmodic rifle fire"

2. intermittently stopping and starting;

"fitful (or interrupted) sleep"

"off-and-on static"