verb
1.
Synonyms: contract 3, compress, concentrate, condense, shrink
Related Word: curb, restrain; circumscribe, confine, limit, restrict
Contrasted words: enlarge, expand, increase, maximize
2.
to make narrow or narrower
the muscles that constrict the sphincter
Synonyms: constringe, narrow
Related Word: gather, plait, pucker; compress, constrain, squeeze; astringe
Contrasted words: broaden, dilate, distend, widen
Antonyms: expand