Meaning : Occurring in spells and often abruptly.
Example :
Fitful bursts of energy.
Spasmodic rifle fire.
Synonyms : spasmodic
Meaning : Intermittently stopping and starting.
Example :
Fitful (or interrupted) sleep.
Off-and-on static.
Synonyms : interrupted, off-and-on
Fitful meaning in Bengali (Bangla).