a. | 1. | Full of fits; irregularly variable; impulsive and unstable. |
Adj. | 1. | fitful - occurring in spells and often abruptly; "fitful bursts of energy"; "spasmodic rifle fire" Synonyms: spasmodic |
2. | fitful - intermittently stopping and starting; "fitful (or interrupted) sleep"; "off-and-on static" Synonyms: off-and-on, interrupted |