fitful

Definition of Fitful in English :

1. fitful, spasmodic

occurring in spells and often abruptly

Example Sentences:
'fitful bursts of energy'
'spasmodic rifle fire'

intermittently stopping and starting

Example Sentences:
'fitful (or interrupted) sleep'
'off-and-on static'

WordNet Lexical Database for English. Princeton University. 2010.

Fitful

adjective

characterized by or occurring in irregular spells

fitful sleep

adjective

characterized by irregular or intermittent activity, impulses, etc.; spasmodic; restless

adj.

Occurring in or characterized by intermittent bursts, as of activity; irregular: "My sleep, when it came, was fitful" (Kelly Braffet).