choke up

English Thesaurus

1. obstruct (verb.contact)

hypernym	:	back up, choke, choke off, clog, clog up, congest, foul,
definition	:	become or cause to become obstructed (verb.contact)

antonym	:	loosen up, unstuff,
definition	:	cause to become unblocked (verb.contact)

derivation	:	block, blockage, closure, occlusion, stop, stoppage,
definition	:	an obstruction in a pipe or tube (noun.artifact)

antonym	:	loosen up, unstuff,
definition	:	cause to become unblocked (verb.contact)

derivation	:	block, blockage, closure, occlusion, stop, stoppage,
definition	:	an obstruction in a pipe or tube (noun.artifact)