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
Cite this Entry
“Plug.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/plug. Accessed 25 Mar. 2025.
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