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1. Relating to, affected by, or having the character of a spasm; convulsive.
2. Happening intermittently; fitful: spasmodic rifle fire.
3. Given to sudden outbursts of energy or feeling; excitable.
[New Latin spasmōdicus, from Greek spasmōdēs, from spasmos, spasm; see spasm.]
spasmodic(spæzˈmɒdɪk) or rarely
1. taking place in sudden brief spells
2. (Pathology) of or characterized by spasms
[C17: New Latin, from Greek spasmos a spasm]
1. pertaining to or of the nature of a spasm; characterized by spasms.
2. resembling a spasm; sudden but brief; sporadic: spasmodic efforts at reform.
3. given to or characterized by bursts of excitement.
[1675–85; < Medieval Latin spasmodicus < Greek spasmṓd(ēs) spasmodic (derivative of spasmós spasm; see -ode1) + Latin -icus -ic]
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|Adj.||1.||spasmodic - affected by involuntary jerky muscular contractions; resembling a spasm; "convulsive motions"; "his body made a spasmodic jerk"; "spastic movements"|
unsteady - subject to change or variation; "her unsteady walk"; "his hand was unsteady as he poured the wine"; "an unsteady voice"
|2.||spasmodic - occurring in spells and often abruptly; "fitful bursts of energy"; "spasmodic rifle fire"|
sporadic - recurring in scattered and irregular or unpredictable instances; "a city subjected to sporadic bombing raids"