Antonyms of adj spasmodic

2 senses of spasmodic

Sense 1
convulsive, spasmodic, spastic -- (affected by involuntary jerky muscular contractions; resembling a spasm; "convulsive motions"; "his body made a spasmodic jerk"; "spastic movements")

INDIRECT (VIA unsteady) -> steady -- (not subject to change or variation especially in behavior; "a steady beat"; "a steady job"; "a steady breeze"; "a steady increase"; "a good steady ballplayer")

Sense 2
fitful, spasmodic -- (occurring in spells and often abruptly; "fitful bursts of energy"; "spasmodic rifle fire")

INDIRECT (VIA sporadic) -> continual -- (occurring without interruption; chiefly restricted to what recurs regularly or frequently in a prolonged and closely spaced series; "the continual banging of the shutters")

Similarity of adj spasmodic

2 senses of spasmodic

Sense 1
convulsive, spasmodic, spastic -- (affected by involuntary jerky muscular contractions; resembling a spasm; "convulsive motions"; "his body made a spasmodic jerk"; "spastic movements")
       => unsteady (vs. steady) -- (subject to change or variation; "her unsteady walk"; "his hand was unsteady as he poured the wine"; "an unsteady voice")

Sense 2
fitful, spasmodic -- (occurring in spells and often abruptly; "fitful bursts of energy"; "spasmodic rifle fire")
       => sporadic (vs. continual) -- (recurring in scattered and irregular or unpredictable instances; "a city subjected to sporadic bombing raids")