plug meaning and definition

PLUG noun

Definition of plug (noun)

1. blockage consisting of an object designed to fill a hole tightly
   • synonyms: stopper, stopple
2. a wad of something chewable as tobacco
   • synonyms: chaw, chew, cud, quid, wad
3. blatant or sensational promotion
   • synonyms: ballyhoo, hoopla, hype
4. electrical device that fits into the cylinder head of an internal-combustion engine and ignites the gas by means of an electric spark
   • synonyms: spark plug, sparking plug
5. an electrical device with two or three pins that is inserted in a socket to make an electrical connection
   • synonyms: male plug
6. an upright hydrant for drawing water to use in fighting a fire
   • synonyms: fire hydrant, fireplug
7. an old or over-worked horse
   • synonyms: hack, jade, nag

PLUG verb

Definition of plug (verb)

1. fill or close tightly with or as if with a plug
   • "plug the hole"; "stop up the leak"
   • synonyms: secure, stop up
2. persist in working hard
   • "Students must plug away at this problem"
   • synonyms: plug away
3. deliver a quick blow to
   • "he punched me in the stomach"
   • synonyms: punch
4. make a plug for; praise the qualities or in order to sell or promote
5. insert a plug into
   • "plug the wall"
6. insert as a plug
   • "She plugged a cork in the wine bottle"