fitful
1. [ adjective ] occurring in spells and often abruptly
Synonyms: spasmodic
Examples:

"fitful bursts of energy" "spasmodic rifle fire"

Related terms: sporadic
2. [ adjective ] intermittently stopping and starting
Synonyms: off-and-on interrupted
Examples:

"fitful (or interrupted) sleep" "off-and-on static"

Related terms: broken
3. [ adjective ] intermittently stopping and starting
Synonyms: off-and-on interrupted
Examples:

"fitful (or interrupted) sleep" "off-and-on static"

Related terms: broken
Similar spelling:   fitfully