1
a
: a piece used to fill a hole : stopper
b
: an obtruding or obstructing mass of material resembling a stopper
2
: a flat compressed cake of tobacco
3
: a small core or segment removed from a larger object
4
: something inferior
especially
: an inferior often aged or unsound horse
5
b
6
: an artificial fishing lure used primarily for casting and made with one or more sets of gang hooks
7
: any of various devices resembling or functioning like a plug: such as
a
: a male fitting for making an electrical connection to a live circuit by insertion in a receptacle (such as an outlet)
b
: a device for connecting electric wires to a jack
8
: a piece of favorable publicity or a favorable mention usually incorporated in general matter
plugged; plugging
1
a
: to stop, make tight, or secure by inserting a plug
b
: to remedy (a deficiency) as if by inserting a plug
trying to plug the gaps in their understanding
2
: to hit with a bullet : shoot
3
: to advertise or publicize insistently
1
: to become plugged
—usually used with up
2
: to work doggedly and persistently
plugged away at her homework
3
: to fire shots
plugger
noun
Examples of plug in a Sentence
Verb
We were able to plug the hole with cement.
One of the DJs on the local radio station has been plugging the band's new album.
He plugged him right in the chest.
Recent Examples on the Web
Rocio Fabbro, Quartz, 23 Apr. 2024
The law gives property owners and landlords various reasons to pull the plug on a lease renewal.
—Seth Klamann, The Denver Post, 19 Apr. 2024
See all Example Sentences for plug 
Noun
Boeing already took a hit to deliveries last quarter after a door plug blew out on one of its 737 Max planes mid-flight in January, causing the aircraft to be grounded as regulators inspected the planes for safety concerns.
—Rocio Fabbro, Quartz, 23 Apr. 2024
The law gives property owners and landlords various reasons to pull the plug on a lease renewal.
—Seth Klamann, The Denver Post, 19 Apr. 2024
See all Example Sentences for plug
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'plug.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Dictionary Entries Near plug
Cite this Entry
“Plug.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/plug. Accessed 4 May. 2024.
Copy CitationKids Definition
plug
1 of 2 noun1
: a piece used to close or fill a hole
2
: a flat cake of tightly pressed tobacco leaves
3
: something of lesser quality
especially
: a worn-out horse
5
: a lure with several hooks used in casting for fish
6
: a device usually on a cord used to make an electrical connection by putting it into another part (as a socket)
7
: a piece of favorable publicity
plug
2 of 2 verb
plugged; plugging
1
: to stop, make tight, or secure with or as if with a plug
plug the leak with tar
2
: to hit with a bullet : shoot
3
: to advertise or publicize over and over
4
: to become plugged
—usually used with up
the drain was plugged up
5
: to keep steadily at work or in action
plugged away at my homework
plugger
noun
Medical Definition
plug
1 of 2 noun
: a piece of material (as wood or alloy) used or serving to fill a hole: as
a
: the piece in a cock that can be turned to regulate the flow of liquid or gas
b
: an obstructing mass of material in a bodily vessel or opening (as of the cervix or a skin lesion)
c
: a filling for a hollow tooth
plug
2 of 2 transitive verb
plugged; plugging
1
: to stop, make tight, or secure (as an opening) by or as if by insertion of a plug : close an opening in
2
: to fill a cavity in (a tooth)
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