spasm spary • spasmatic · · · Info · Definitions · Synonyms · Characters · · spasm · · Text Latin · · Script 5 · · Length Definitions · · · (noun) a painful and involuntary muscular contraction. Synonyms: cramp, muscle spasm. · · Noun Definition 1 (noun) (pathology) sudden constriction of a hollow organ (as a blood vessel). · · Noun Definition 2 Synonyms · · · cramp · · Synonym 1 muscle spasm · · Synonym 2 Characters · · a latin small letter a U+0061 m latin small letter m U+006D p latin small letter p U+0070 s latin small letter s U+0073