spas·mod·ic 
/spæzˈmɑ:dɪk/ adjective
/spæzˈmɑ:dɪk/ adjective 1 : relating to or caused by a spasm
▪ spasmodic movements/jerks 2 : happening suddenly and briefly at different times in a way that is not regular
▪ He made only spasmodic attempts to lose weight. ▪ spasmodic [=intermittent] activity
▪ spasmodic movements/jerks
▪ He made only spasmodic attempts to lose weight. ▪ spasmodic [=intermittent] activity
— spas·mod·i·cal·ly /spæzˈmɑ:dɪkli/ adverb
▪ His neck was jerking spasmodically. ▪ Outbursts of violence continued spasmodically after the war ended.
/spæzˈmɑ:dɪkli/ adverb ▪ His neck was jerking spasmodically. ▪ Outbursts of violence continued spasmodically after the war ended.
