Dictionary 1. (n.) One who stops, closes, shuts, or hinders; that which stops or obstructs; that which closes or fills a vent or hole in a vessel.2. (n.) A short piece of rope having a knot at one or both ends, with a lanyard under the knot, -- used to secure something. 3. (n.) A name to several trees of the genus Eugenia, found in Florida and the West Indies; as, the red stopper. See Eugenia. 4. (v. t.) To close or secure with a stopper. Thesaurus KO bar bind block block up blockade bonnet bung cap caulk ceil check valve chink choke choke off choke up clincher clog clog up close cock coif congest constipate cork cover crown crusher dam dam up death stroke deathblow dome end-all ender faucet fill fill up final stroke finisher finishing stroke foul hat hood jam kayo kayo punch knockout knockout blow last dab lid obstipate obstruct occlude operculum pack peg pin plug plug up quietus roof roof in sea cock settler sockdolager spigot spike spile spill stanch stay stench stop stop up stopgap stopple stuff stuff up tap tip top valve |