antispasmodic
adjective
an·ti·spas·mod·ic ˌan-tē-spaz-ˈmä-dik 
ˌan-tī-
ˌan-tī- : capable of preventing or relieving spasms or convulsions
antispasmodic noun
Example Sentences
Recent Examples on the Web Doctors prescribed a mix of calcium channel blockers to control Cisse's blood pressure, and antispasmodic drugs and hormonal treatments to delay the delivery for as long as possible. 
Sam Bradpiece For Cnn, CNN, 7 May 2021 Like peppermint, warmth can have an antispasmodic effect on your body and help your intestines to relax instead of contract too hard or too much, lessening that achy sensation that all too often comes along with gas, Dr. Wakim-Fleming says. Korin Miller, SELF, 14 Dec. 2017
Sam Bradpiece For Cnn, CNN, 7 May 2021 Like peppermint, warmth can have an antispasmodic effect on your body and help your intestines to relax instead of contract too hard or too much, lessening that achy sensation that all too often comes along with gas, Dr. Wakim-Fleming says. Korin Miller, SELF, 14 Dec. 2017 Word History
First Known Use
1679, in the meaning defined above
Medical Definition
antispasmodic 1 of 2
noun
an·ti·spas·mod·ic -spaz-ˈmäd-ik
: an antispasmodic agent
antispasmodic
2 of 2adjective
: capable of preventing or relieving spasms or convulsions